Finding the Fourth Proportional to 332.01, 457.08 and 276.65
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Solution
The fourth proportional to 332.01, 457.08 and 276.65 is: 380.87
Step by Step Solution
- Step 1: Write the proportion equation
332.01 : 457.08 = 276.65 : x - Step 2: Convert to fraction form
332.01/457.08 = 276.65/x - Step 3: Cross multiply
332.01x = 457.08 × 276.65 - Step 4: Simplify right side
332.01x = 126,451.18 - Step 5: Solve for x
x = 126,451.18/332.01 - Step 6: Final answer
x = 380.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.