Finding the Fourth Proportional to 392.10, 588.36 and 175.68
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Solution
The fourth proportional to 392.10, 588.36 and 175.68 is: 263.61
Step by Step Solution
- Step 1: Write the proportion equation
392.10 : 588.36 = 175.68 : x - Step 2: Convert to fraction form
392.10/588.36 = 175.68/x - Step 3: Cross multiply
392.10x = 588.36 × 175.68 - Step 4: Simplify right side
392.10x = 103,363.08 - Step 5: Solve for x
x = 103,363.08/392.10 - Step 6: Final answer
x = 263.61
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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.