Finding the Fourth Proportional to 325.62, 488.43 and 163.26
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Solution
The fourth proportional to 325.62, 488.43 and 163.26 is: 244.89
Step by Step Solution
- Step 1: Write the proportion equation
325.62 : 488.43 = 163.26 : x - Step 2: Convert to fraction form
325.62/488.43 = 163.26/x - Step 3: Cross multiply
325.62x = 488.43 × 163.26 - Step 4: Simplify right side
325.62x = 79,741.08 - Step 5: Solve for x
x = 79,741.08/325.62 - Step 6: Final answer
x = 244.89
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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.