Finding the Fourth Proportional to 44.38, 66.60 and 29.98
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Solution
The fourth proportional to 44.38, 66.60 and 29.98 is: 44.99
Step by Step Solution
- Step 1: Write the proportion equation
44.38 : 66.60 = 29.98 : x - Step 2: Convert to fraction form
44.38/66.60 = 29.98/x - Step 3: Cross multiply
44.38x = 66.60 × 29.98 - Step 4: Simplify right side
44.38x = 1,996.67 - Step 5: Solve for x
x = 1,996.67/44.38 - Step 6: Final answer
x = 44.99
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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.