Finding the Fourth Proportional to 52.12, 77.95 and 44.99
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Solution
The fourth proportional to 52.12, 77.95 and 44.99 is: 67.29
Step by Step Solution
- Step 1: Write the proportion equation
52.12 : 77.95 = 44.99 : x - Step 2: Convert to fraction form
52.12/77.95 = 44.99/x - Step 3: Cross multiply
52.12x = 77.95 × 44.99 - Step 4: Simplify right side
52.12x = 3,506.97 - Step 5: Solve for x
x = 3,506.97/52.12 - Step 6: Final answer
x = 67.29
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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.