Finding the Fourth Proportional to 472.26, 708.42 and 163.99
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Solution
The fourth proportional to 472.26, 708.42 and 163.99 is: 245.99
Step by Step Solution
- Step 1: Write the proportion equation
472.26 : 708.42 = 163.99 : x - Step 2: Convert to fraction form
472.26/708.42 = 163.99/x - Step 3: Cross multiply
472.26x = 708.42 × 163.99 - Step 4: Simplify right side
472.26x = 116,170.25 - Step 5: Solve for x
x = 116,170.25/472.26 - Step 6: Final answer
x = 245.99
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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.