Finding the Fourth Proportional to 901.37, 1,243.88 and 508.38
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Solution
The fourth proportional to 901.37, 1,243.88 and 508.38 is: 701.56
Step by Step Solution
- Step 1: Write the proportion equation
901.37 : 1,243.88 = 508.38 : x - Step 2: Convert to fraction form
901.37/1,243.88 = 508.38/x - Step 3: Cross multiply
901.37x = 1,243.88 × 508.38 - Step 4: Simplify right side
901.37x = 632,361.17 - Step 5: Solve for x
x = 632,361.17/901.37 - Step 6: Final answer
x = 701.56
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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.