Finding the Fourth Proportional to 325.26, 487.62 and 197.28
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Solution
The fourth proportional to 325.26, 487.62 and 197.28 is: 295.76
Step by Step Solution
- Step 1: Write the proportion equation
325.26 : 487.62 = 197.28 : x - Step 2: Convert to fraction form
325.26/487.62 = 197.28/x - Step 3: Cross multiply
325.26x = 487.62 × 197.28 - Step 4: Simplify right side
325.26x = 96,197.67 - Step 5: Solve for x
x = 96,197.67/325.26 - Step 6: Final answer
x = 295.76
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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.