Finding the Fourth Proportional to 57.25, 85.88 and 22.99
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Solution
The fourth proportional to 57.25, 85.88 and 22.99 is: 34.49
Step by Step Solution
- Step 1: Write the proportion equation
57.25 : 85.88 = 22.99 : x - Step 2: Convert to fraction form
57.25/85.88 = 22.99/x - Step 3: Cross multiply
57.25x = 85.88 × 22.99 - Step 4: Simplify right side
57.25x = 1,974.22 - Step 5: Solve for x
x = 1,974.22/57.25 - Step 6: Final answer
x = 34.49
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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.