Finding the Fourth Proportional to 247.26, 340.68 and 177.18
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Solution
The fourth proportional to 247.26, 340.68 and 177.18 is: 244.12
Step by Step Solution
- Step 1: Write the proportion equation
247.26 : 340.68 = 177.18 : x - Step 2: Convert to fraction form
247.26/340.68 = 177.18/x - Step 3: Cross multiply
247.26x = 340.68 × 177.18 - Step 4: Simplify right side
247.26x = 60,361.68 - Step 5: Solve for x
x = 60,361.68/247.26 - Step 6: Final answer
x = 244.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.