Finding the Fourth Proportional to 247.97, 372.79 and 202.64
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Solution
The fourth proportional to 247.97, 372.79 and 202.64 is: 304.65
Step by Step Solution
- Step 1: Write the proportion equation
247.97 : 372.79 = 202.64 : x - Step 2: Convert to fraction form
247.97/372.79 = 202.64/x - Step 3: Cross multiply
247.97x = 372.79 × 202.64 - Step 4: Simplify right side
247.97x = 75,542.17 - Step 5: Solve for x
x = 75,542.17/247.97 - Step 6: Final answer
x = 304.65
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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.