Finding the Fourth Proportional to 394.26, 590.84 and 163
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Solution
The fourth proportional to 394.26, 590.84 and 163 is: 244.27
Step by Step Solution
- Step 1: Write the proportion equation
394.26 : 590.84 = 163 : x - Step 2: Convert to fraction form
394.26/590.84 = 163/x - Step 3: Cross multiply
394.26x = 590.84 × 163 - Step 4: Simplify right side
394.26x = 96,306.92 - Step 5: Solve for x
x = 96,306.92/394.26 - Step 6: Final answer
x = 244.27
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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.