Finding the Fourth Proportional to 37.18, 51.33 and 33.31
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Solution
The fourth proportional to 37.18, 51.33 and 33.31 is: 45.99
Step by Step Solution
- Step 1: Write the proportion equation
37.18 : 51.33 = 33.31 : x - Step 2: Convert to fraction form
37.18/51.33 = 33.31/x - Step 3: Cross multiply
37.18x = 51.33 × 33.31 - Step 4: Simplify right side
37.18x = 1,709.80 - Step 5: Solve for x
x = 1,709.80/37.18 - Step 6: Final answer
x = 45.99
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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.