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Practice problem

Ratio and Proportion Word Problems — Examples & Practice

By Taylor Evans
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A cosmo swirl in the golden ratio shape.

Background image source: By NASA and European Space Agency CC BY-SA 4.0, via Wikimedia Commons

Foreground image source: By Dicklyon CC BY-SA 4.0, via Wikimedia Commons

Above is the Fibonacci spiral. It is a pattern that pops up in nature very frequently. The example above is the Whirlpool Galaxy.

The ratio that is the secret to this pattern is called "the Golden Ratio". The Golden Ratio is described as below: a+ba=ab\frac{a+b}{a} = \frac{a}{b}

Which of the following statements must be true?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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