Finding the Fourth Proportional to 247.25, 340.97 and 163.08
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Solution
The fourth proportional to 247.25, 340.97 and 163.08 is: 224.89
Step by Step Solution
- Step 1: Write the proportion equation
247.25 : 340.97 = 163.08 : x - Step 2: Convert to fraction form
247.25/340.97 = 163.08/x - Step 3: Cross multiply
247.25x = 340.97 × 163.08 - Step 4: Simplify right side
247.25x = 55,604.57 - Step 5: Solve for x
x = 55,604.57/247.25 - Step 6: Final answer
x = 224.89
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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.