Finding the Fourth Proportional to 325.01, 486.97 and 260.75
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Solution
The fourth proportional to 325.01, 486.97 and 260.75 is: 390.69
Step by Step Solution
- Step 1: Write the proportion equation
325.01 : 486.97 = 260.75 : x - Step 2: Convert to fraction form
325.01/486.97 = 260.75/x - Step 3: Cross multiply
325.01x = 486.97 × 260.75 - Step 4: Simplify right side
325.01x = 126,977.43 - Step 5: Solve for x
x = 126,977.43/325.01 - Step 6: Final answer
x = 390.69
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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.