Finding the Fourth Proportional to 882.27, 1,216.40 and 567
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Solution
The fourth proportional to 882.27, 1,216.40 and 567 is: 781.73
Step by Step Solution
- Step 1: Write the proportion equation
882.27 : 1,216.40 = 567 : x - Step 2: Convert to fraction form
882.27/1,216.40 = 567/x - Step 3: Cross multiply
882.27x = 1,216.40 × 567 - Step 4: Simplify right side
882.27x = 689,695.97 - Step 5: Solve for x
x = 689,695.97/882.27 - Step 6: Final answer
x = 781.73
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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.