Finding the Fourth Proportional to 49.88, 74.68 and 44.67
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Solution
The fourth proportional to 49.88, 74.68 and 44.67 is: 66.88
Step by Step Solution
- Step 1: Write the proportion equation
49.88 : 74.68 = 44.67 : x - Step 2: Convert to fraction form
49.88/74.68 = 44.67/x - Step 3: Cross multiply
49.88x = 74.68 × 44.67 - Step 4: Simplify right side
49.88x = 3,335.99 - Step 5: Solve for x
x = 3,335.99/49.88 - Step 6: Final answer
x = 66.88
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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.