Finding the Fourth Proportional to 114.15, 171.22 and 32.99
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Solution
The fourth proportional to 114.15, 171.22 and 32.99 is: 49.48
Step by Step Solution
- Step 1: Write the proportion equation
114.15 : 171.22 = 32.99 : x - Step 2: Convert to fraction form
114.15/171.22 = 32.99/x - Step 3: Cross multiply
114.15x = 171.22 × 32.99 - Step 4: Simplify right side
114.15x = 5,648.55 - Step 5: Solve for x
x = 5,648.55/114.15 - Step 6: Final answer
x = 49.48
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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.