Finding the Fourth Proportional to 374.38, 560.41 and 342.48
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Solution
The fourth proportional to 374.38, 560.41 and 342.48 is: 512.66
Step by Step Solution
- Step 1: Write the proportion equation
374.38 : 560.41 = 342.48 : x - Step 2: Convert to fraction form
374.38/560.41 = 342.48/x - Step 3: Cross multiply
374.38x = 560.41 × 342.48 - Step 4: Simplify right side
374.38x = 191,927.50 - Step 5: Solve for x
x = 191,927.50/374.38 - Step 6: Final answer
x = 512.66
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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.