Finding the Fourth Proportional to 247.95, 371.91 and 207.08
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Solution
The fourth proportional to 247.95, 371.91 and 207.08 is: 310.60
Step by Step Solution
- Step 1: Write the proportion equation
247.95 : 371.91 = 207.08 : x - Step 2: Convert to fraction form
247.95/371.91 = 207.08/x - Step 3: Cross multiply
247.95x = 371.91 × 207.08 - Step 4: Simplify right side
247.95x = 77,013.26 - Step 5: Solve for x
x = 77,013.26/247.95 - Step 6: Final answer
x = 310.60
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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.