Finding the Fourth Proportional to 574, 792 and 449.44
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Solution
The fourth proportional to 574, 792 and 449.44 is: 620.13
Step by Step Solution
- Step 1: Write the proportion equation
574 : 792 = 449.44 : x - Step 2: Convert to fraction form
574/792 = 449.44/x - Step 3: Cross multiply
574x = 792 × 449.44 - Step 4: Simplify right side
574x = 355,956.48 - Step 5: Solve for x
x = 355,956.48/574 - Step 6: Final answer
x = 620.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.