Finding the Fourth Proportional to 224.75, 337.14 and 87.91
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Solution
The fourth proportional to 224.75, 337.14 and 87.91 is: 131.87
Step by Step Solution
- Step 1: Write the proportion equation
224.75 : 337.14 = 87.91 : x - Step 2: Convert to fraction form
224.75/337.14 = 87.91/x - Step 3: Cross multiply
224.75x = 337.14 × 87.91 - Step 4: Simplify right side
224.75x = 29,637.13 - Step 5: Solve for x
x = 29,637.13/224.75 - Step 6: Final answer
x = 131.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.