Finding the Fourth Proportional to 247.73, 371.66 and 132.26
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Solution
The fourth proportional to 247.73, 371.66 and 132.26 is: 198.42
Step by Step Solution
- Step 1: Write the proportion equation
247.73 : 371.66 = 132.26 : x - Step 2: Convert to fraction form
247.73/371.66 = 132.26/x - Step 3: Cross multiply
247.73x = 371.66 × 132.26 - Step 4: Simplify right side
247.73x = 49,153.23 - Step 5: Solve for x
x = 49,153.23/247.73 - Step 6: Final answer
x = 198.42
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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.