Finding the Fourth Proportional to 247.26, 371.10 and 170.21
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Solution
The fourth proportional to 247.26, 371.10 and 170.21 is: 255.46
Step by Step Solution
- Step 1: Write the proportion equation
247.26 : 371.10 = 170.21 : x - Step 2: Convert to fraction form
247.26/371.10 = 170.21/x - Step 3: Cross multiply
247.26x = 371.10 × 170.21 - Step 4: Simplify right side
247.26x = 63,164.93 - Step 5: Solve for x
x = 63,164.93/247.26 - Step 6: Final answer
x = 255.46
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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.