Finding the Fourth Proportional to 67.57, 101.19 and 40.53
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Solution
The fourth proportional to 67.57, 101.19 and 40.53 is: 60.70
Step by Step Solution
- Step 1: Write the proportion equation
67.57 : 101.19 = 40.53 : x - Step 2: Convert to fraction form
67.57/101.19 = 40.53/x - Step 3: Cross multiply
67.57x = 101.19 × 40.53 - Step 4: Simplify right side
67.57x = 4,101.23 - Step 5: Solve for x
x = 4,101.23/67.57 - Step 6: Final answer
x = 60.70
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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.