Finding the Fourth Proportional to 57.27, 85.86 and 22.99
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Solution
The fourth proportional to 57.27, 85.86 and 22.99 is: 34.46
Step by Step Solution
- Step 1: Write the proportion equation
57.27 : 85.86 = 22.99 : x - Step 2: Convert to fraction form
57.27/85.86 = 22.99/x - Step 3: Cross multiply
57.27x = 85.86 × 22.99 - Step 4: Simplify right side
57.27x = 1,973.49 - Step 5: Solve for x
x = 1,973.49/57.27 - Step 6: Final answer
x = 34.46
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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.