Finding the Fourth Proportional to 361.62, 542.70 and 224.87
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Solution
The fourth proportional to 361.62, 542.70 and 224.87 is: 337.47
Step by Step Solution
- Step 1: Write the proportion equation
361.62 : 542.70 = 224.87 : x - Step 2: Convert to fraction form
361.62/542.70 = 224.87/x - Step 3: Cross multiply
361.62x = 542.70 × 224.87 - Step 4: Simplify right side
361.62x = 122,034.24 - Step 5: Solve for x
x = 122,034.24/361.62 - Step 6: Final answer
x = 337.47
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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.