Finding the Fourth Proportional to 371.44, 557.11 and 97.55
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Solution
The fourth proportional to 371.44, 557.11 and 97.55 is: 146.32
Step by Step Solution
- Step 1: Write the proportion equation
371.44 : 557.11 = 97.55 : x - Step 2: Convert to fraction form
371.44/557.11 = 97.55/x - Step 3: Cross multiply
371.44x = 557.11 × 97.55 - Step 4: Simplify right side
371.44x = 54,347.47 - Step 5: Solve for x
x = 54,347.47/371.44 - Step 6: Final answer
x = 146.32
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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.