Finding the Fourth Proportional to 585.98, 878.78 and 261.58
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Solution
The fourth proportional to 585.98, 878.78 and 261.58 is: 392.29
Step by Step Solution
- Step 1: Write the proportion equation
585.98 : 878.78 = 261.58 : x - Step 2: Convert to fraction form
585.98/878.78 = 261.58/x - Step 3: Cross multiply
585.98x = 878.78 × 261.58 - Step 4: Simplify right side
585.98x = 229,871.27 - Step 5: Solve for x
x = 229,871.27/585.98 - Step 6: Final answer
x = 392.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.