Finding the Fourth Proportional to 57.05, 85.51 and 24.99
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Solution
The fourth proportional to 57.05, 85.51 and 24.99 is: 37.46
Step by Step Solution
- Step 1: Write the proportion equation
57.05 : 85.51 = 24.99 : x - Step 2: Convert to fraction form
57.05/85.51 = 24.99/x - Step 3: Cross multiply
57.05x = 85.51 × 24.99 - Step 4: Simplify right side
57.05x = 2,136.89 - Step 5: Solve for x
x = 2,136.89/57.05 - Step 6: Final answer
x = 37.46
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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.