Finding the Fourth Proportional to 882.81, 1,324.08 and 297.70
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Solution
The fourth proportional to 882.81, 1,324.08 and 297.70 is: 446.50
Step by Step Solution
- Step 1: Write the proportion equation
882.81 : 1,324.08 = 297.70 : x - Step 2: Convert to fraction form
882.81/1,324.08 = 297.70/x - Step 3: Cross multiply
882.81x = 1,324.08 × 297.70 - Step 4: Simplify right side
882.81x = 394,178.62 - Step 5: Solve for x
x = 394,178.62/882.81 - Step 6: Final answer
x = 446.50
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1.5x scale
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.