Finding the Fourth Proportional to 426.52, 588.72 and 278.92
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Solution
The fourth proportional to 426.52, 588.72 and 278.92 is: 384.99
Step by Step Solution
- Step 1: Write the proportion equation
426.52 : 588.72 = 278.92 : x - Step 2: Convert to fraction form
426.52/588.72 = 278.92/x - Step 3: Cross multiply
426.52x = 588.72 × 278.92 - Step 4: Simplify right side
426.52x = 164,205.78 - Step 5: Solve for x
x = 164,205.78/426.52 - Step 6: Final answer
x = 384.99
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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.