Finding the Fourth Proportional to 392.55, 588.91 and 149.08
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Solution
The fourth proportional to 392.55, 588.91 and 149.08 is: 223.65
Step by Step Solution
- Step 1: Write the proportion equation
392.55 : 588.91 = 149.08 : x - Step 2: Convert to fraction form
392.55/588.91 = 149.08/x - Step 3: Cross multiply
392.55x = 588.91 × 149.08 - Step 4: Simplify right side
392.55x = 87,794.70 - Step 5: Solve for x
x = 87,794.70/392.55 - Step 6: Final answer
x = 223.65
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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.