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MENTAL MODEL · M0247

Golden Ratio

Golden Ratio
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

The golden ratio (English: golden ratio), also known as the golden mean, golden section, or golden proportion, is a mathematical constant, usually denoted by the Greek letter φ (phi). It can be defined by the following algebraic expression: (a + b) / a = a / b = φ (where a > b > 0).

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The golden ratio (English: golden ratio), also known as the golden mean, golden section, or golden proportion, is a mathematical constant, usually denoted by the Greek letter φ (phi). It can be defined by the following algebraic expression: (a + b) / a = a / b.

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That is, the golden ratio φ ≈ 1.618, where the whole and the parts are in the same proportion, commonly found in natural growth and artistic composition, and is considered to have harmonious aesthetics.

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%BB%84%E9%87%91%E5%88%86%E5%89%B2%E7%8E%87ZH · Explicit
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