Finding the Fourth Proportional to 207.62, 308.61 and 202.08
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Solution
The fourth proportional to 207.62, 308.61 and 202.08 is: 300.38
Step by Step Solution
- Step 1: Write the proportion equation
207.62 : 308.61 = 202.08 : x - Step 2: Convert to fraction form
207.62/308.61 = 202.08/x - Step 3: Cross multiply
207.62x = 308.61 × 202.08 - Step 4: Simplify right side
207.62x = 62,363.91 - Step 5: Solve for x
x = 62,363.91/207.62 - Step 6: Final answer
x = 300.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.