Finding the Fourth Proportional to 37.40, 51.71 and 36.99
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Solution
The fourth proportional to 37.40, 51.71 and 36.99 is: 51.15
Step by Step Solution
- Step 1: Write the proportion equation
37.40 : 51.71 = 36.99 : x - Step 2: Convert to fraction form
37.40/51.71 = 36.99/x - Step 3: Cross multiply
37.40x = 51.71 × 36.99 - Step 4: Simplify right side
37.40x = 1,912.57 - Step 5: Solve for x
x = 1,912.57/37.40 - Step 6: Final answer
x = 51.15
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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.