Finding the Fourth Proportional to 869.48, 1,304.52 and 544.46
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Solution
The fourth proportional to 869.48, 1,304.52 and 544.46 is: 816.88
Step by Step Solution
- Step 1: Write the proportion equation
869.48 : 1,304.52 = 544.46 : x - Step 2: Convert to fraction form
869.48/1,304.52 = 544.46/x - Step 3: Cross multiply
869.48x = 1,304.52 × 544.46 - Step 4: Simplify right side
869.48x = 710,258.96 - Step 5: Solve for x
x = 710,258.96/869.48 - Step 6: Final answer
x = 816.88
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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.