Finding the Fourth Proportional to 574.88, 793 and 442
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Solution
The fourth proportional to 574.88, 793 and 442 is: 609.70
Step by Step Solution
- Step 1: Write the proportion equation
574.88 : 793 = 442 : x - Step 2: Convert to fraction form
574.88/793 = 442/x - Step 3: Cross multiply
574.88x = 793 × 442 - Step 4: Simplify right side
574.88x = 350,506 - Step 5: Solve for x
x = 350,506/574.88 - Step 6: Final answer
x = 609.70
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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.