Finding the Fourth Proportional to 325.07, 487.09 and 194.75
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Solution
The fourth proportional to 325.07, 487.09 and 194.75 is: 291.82
Step by Step Solution
- Step 1: Write the proportion equation
325.07 : 487.09 = 194.75 : x - Step 2: Convert to fraction form
325.07/487.09 = 194.75/x - Step 3: Cross multiply
325.07x = 487.09 × 194.75 - Step 4: Simplify right side
325.07x = 94,862.24 - Step 5: Solve for x
x = 94,862.24/325.07 - Step 6: Final answer
x = 291.82
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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.