Finding the Fourth Proportional to 325.29, 487.29 and 170.99
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Solution
The fourth proportional to 325.29, 487.29 and 170.99 is: 256.14
Step by Step Solution
- Step 1: Write the proportion equation
325.29 : 487.29 = 170.99 : x - Step 2: Convert to fraction form
325.29/487.29 = 170.99/x - Step 3: Cross multiply
325.29x = 487.29 × 170.99 - Step 4: Simplify right side
325.29x = 83,319.28 - Step 5: Solve for x
x = 83,319.28/325.29 - Step 6: Final answer
x = 256.14
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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.