Finding the Fourth Proportional to 247.95, 371.79 and 125.91
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Solution
The fourth proportional to 247.95, 371.79 and 125.91 is: 188.80
Step by Step Solution
- Step 1: Write the proportion equation
247.95 : 371.79 = 125.91 : x - Step 2: Convert to fraction form
247.95/371.79 = 125.91/x - Step 3: Cross multiply
247.95x = 371.79 × 125.91 - Step 4: Simplify right side
247.95x = 46,812.08 - Step 5: Solve for x
x = 46,812.08/247.95 - Step 6: Final answer
x = 188.80
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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.