Finding the Fourth Proportional to 325.51, 488.26 and 163.19
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Solution
The fourth proportional to 325.51, 488.26 and 163.19 is: 244.78
Step by Step Solution
- Step 1: Write the proportion equation
325.51 : 488.26 = 163.19 : x - Step 2: Convert to fraction form
325.51/488.26 = 163.19/x - Step 3: Cross multiply
325.51x = 488.26 × 163.19 - Step 4: Simplify right side
325.51x = 79,679.15 - Step 5: Solve for x
x = 79,679.15/325.51 - Step 6: Final answer
x = 244.78
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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.