Finding the Fourth Proportional to 247.99, 372.12 and 118.14
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Solution
The fourth proportional to 247.99, 372.12 and 118.14 is: 177.26
Step by Step Solution
- Step 1: Write the proportion equation
247.99 : 372.12 = 118.14 : x - Step 2: Convert to fraction form
247.99/372.12 = 118.14/x - Step 3: Cross multiply
247.99x = 372.12 × 118.14 - Step 4: Simplify right side
247.99x = 43,959.81 - Step 5: Solve for x
x = 43,959.81/247.99 - Step 6: Final answer
x = 177.26
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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.