Finding the Fourth Proportional to 392.42, 588.92 and 186.99
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Solution
The fourth proportional to 392.42, 588.92 and 186.99 is: 280.62
Step by Step Solution
- Step 1: Write the proportion equation
392.42 : 588.92 = 186.99 : x - Step 2: Convert to fraction form
392.42/588.92 = 186.99/x - Step 3: Cross multiply
392.42x = 588.92 × 186.99 - Step 4: Simplify right side
392.42x = 110,121.19 - Step 5: Solve for x
x = 110,121.19/392.42 - Step 6: Final answer
x = 280.62
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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.