Finding the Fourth Proportional to 44.60, 66.82 and 36.99
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Solution
The fourth proportional to 44.60, 66.82 and 36.99 is: 55.42
Step by Step Solution
- Step 1: Write the proportion equation
44.60 : 66.82 = 36.99 : x - Step 2: Convert to fraction form
44.60/66.82 = 36.99/x - Step 3: Cross multiply
44.60x = 66.82 × 36.99 - Step 4: Simplify right side
44.60x = 2,471.67 - Step 5: Solve for x
x = 2,471.67/44.60 - Step 6: Final answer
x = 55.42
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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.