Finding the Fourth Proportional to 207.62, 286.55 and 133.97
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Solution
The fourth proportional to 207.62, 286.55 and 133.97 is: 184.90
Step by Step Solution
- Step 1: Write the proportion equation
207.62 : 286.55 = 133.97 : x - Step 2: Convert to fraction form
207.62/286.55 = 133.97/x - Step 3: Cross multiply
207.62x = 286.55 × 133.97 - Step 4: Simplify right side
207.62x = 38,389.10 - Step 5: Solve for x
x = 38,389.10/207.62 - Step 6: Final answer
x = 184.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.