Finding the Fourth Proportional to 67.41, 101.12 and 40.53
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Solution
The fourth proportional to 67.41, 101.12 and 40.53 is: 60.80
Step by Step Solution
- Step 1: Write the proportion equation
67.41 : 101.12 = 40.53 : x - Step 2: Convert to fraction form
67.41/101.12 = 40.53/x - Step 3: Cross multiply
67.41x = 101.12 × 40.53 - Step 4: Simplify right side
67.41x = 4,098.19 - Step 5: Solve for x
x = 4,098.19/67.41 - Step 6: Final answer
x = 60.80
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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.