Finding the Fourth Proportional to 40.38, 60.29 and 33.99
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Solution
The fourth proportional to 40.38, 60.29 and 33.99 is: 50.75
Step by Step Solution
- Step 1: Write the proportion equation
40.38 : 60.29 = 33.99 : x - Step 2: Convert to fraction form
40.38/60.29 = 33.99/x - Step 3: Cross multiply
40.38x = 60.29 × 33.99 - Step 4: Simplify right side
40.38x = 2,049.18 - Step 5: Solve for x
x = 2,049.18/40.38 - Step 6: Final answer
x = 50.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.