Finding the Fourth Proportional to 1,010.18, 1,393.97 and 568
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Solution
The fourth proportional to 1,010.18, 1,393.97 and 568 is: 783.80
Step by Step Solution
- Step 1: Write the proportion equation
1,010.18 : 1,393.97 = 568 : x - Step 2: Convert to fraction form
1,010.18/1,393.97 = 568/x - Step 3: Cross multiply
1,010.18x = 1,393.97 × 568 - Step 4: Simplify right side
1,010.18x = 791,774.96 - Step 5: Solve for x
x = 791,774.96/1,010.18 - Step 6: Final answer
x = 783.80
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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.