Finding the Fourth Proportional to 50.74, 76.18 and 43.98
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Solution
The fourth proportional to 50.74, 76.18 and 43.98 is: 66.03
Step by Step Solution
- Step 1: Write the proportion equation
50.74 : 76.18 = 43.98 : x - Step 2: Convert to fraction form
50.74/76.18 = 43.98/x - Step 3: Cross multiply
50.74x = 76.18 × 43.98 - Step 4: Simplify right side
50.74x = 3,350.40 - Step 5: Solve for x
x = 3,350.40/50.74 - Step 6: Final answer
x = 66.03
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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.