Finding the Fourth Proportional to 325.08, 487.14 and 170.70
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Solution
The fourth proportional to 325.08, 487.14 and 170.70 is: 255.80
Step by Step Solution
- Step 1: Write the proportion equation
325.08 : 487.14 = 170.70 : x - Step 2: Convert to fraction form
325.08/487.14 = 170.70/x - Step 3: Cross multiply
325.08x = 487.14 × 170.70 - Step 4: Simplify right side
325.08x = 83,154.80 - Step 5: Solve for x
x = 83,154.80/325.08 - Step 6: Final answer
x = 255.80
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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.