Finding the Fourth Proportional to 701.28, 967.68 and 468
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Solution
The fourth proportional to 701.28, 967.68 and 468 is: 645.78
Step by Step Solution
- Step 1: Write the proportion equation
701.28 : 967.68 = 468 : x - Step 2: Convert to fraction form
701.28/967.68 = 468/x - Step 3: Cross multiply
701.28x = 967.68 × 468 - Step 4: Simplify right side
701.28x = 452,874.24 - Step 5: Solve for x
x = 452,874.24/701.28 - Step 6: Final answer
x = 645.78
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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.