Finding the Fourth Proportional to 54.98, 82.52 and 27.99
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Solution
The fourth proportional to 54.98, 82.52 and 27.99 is: 42.01
Step by Step Solution
- Step 1: Write the proportion equation
54.98 : 82.52 = 27.99 : x - Step 2: Convert to fraction form
54.98/82.52 = 27.99/x - Step 3: Cross multiply
54.98x = 82.52 × 27.99 - Step 4: Simplify right side
54.98x = 2,309.73 - Step 5: Solve for x
x = 2,309.73/54.98 - Step 6: Final answer
x = 42.01
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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.