Finding the Fourth Proportional to 349.92, 524.95 and 118.79
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Solution
The fourth proportional to 349.92, 524.95 and 118.79 is: 178.20
Step by Step Solution
- Step 1: Write the proportion equation
349.92 : 524.95 = 118.79 : x - Step 2: Convert to fraction form
349.92/524.95 = 118.79/x - Step 3: Cross multiply
349.92x = 524.95 × 118.79 - Step 4: Simplify right side
349.92x = 62,356.19 - Step 5: Solve for x
x = 62,356.19/349.92 - Step 6: Final answer
x = 178.20
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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.