Finding the Fourth Proportional to 395.26, 545.73 and 247.96
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Solution
The fourth proportional to 395.26, 545.73 and 247.96 is: 342.35
Step by Step Solution
- Step 1: Write the proportion equation
395.26 : 545.73 = 247.96 : x - Step 2: Convert to fraction form
395.26/545.73 = 247.96/x - Step 3: Cross multiply
395.26x = 545.73 × 247.96 - Step 4: Simplify right side
395.26x = 135,319.21 - Step 5: Solve for x
x = 135,319.21/395.26 - Step 6: Final answer
x = 342.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.