Finding the Fourth Proportional to 247.99, 371.50 and 133.75
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Solution
The fourth proportional to 247.99, 371.50 and 133.75 is: 200.36
Step by Step Solution
- Step 1: Write the proportion equation
247.99 : 371.50 = 133.75 : x - Step 2: Convert to fraction form
247.99/371.50 = 133.75/x - Step 3: Cross multiply
247.99x = 371.50 × 133.75 - Step 4: Simplify right side
247.99x = 49,688.13 - Step 5: Solve for x
x = 49,688.13/247.99 - Step 6: Final answer
x = 200.36
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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.