Finding the Fourth Proportional to 395.80, 593.70 and 107.26
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Solution
The fourth proportional to 395.80, 593.70 and 107.26 is: 160.89
Step by Step Solution
- Step 1: Write the proportion equation
395.80 : 593.70 = 107.26 : x - Step 2: Convert to fraction form
395.80/593.70 = 107.26/x - Step 3: Cross multiply
395.80x = 593.70 × 107.26 - Step 4: Simplify right side
395.80x = 63,680.26 - Step 5: Solve for x
x = 63,680.26/395.80 - Step 6: Final answer
x = 160.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.