Finding the Fourth Proportional to 325.28, 488.14 and 163.08
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Solution
The fourth proportional to 325.28, 488.14 and 163.08 is: 244.73
Step by Step Solution
- Step 1: Write the proportion equation
325.28 : 488.14 = 163.08 : x - Step 2: Convert to fraction form
325.28/488.14 = 163.08/x - Step 3: Cross multiply
325.28x = 488.14 × 163.08 - Step 4: Simplify right side
325.28x = 79,605.87 - Step 5: Solve for x
x = 79,605.87/325.28 - Step 6: Final answer
x = 244.73
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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.