Finding the Fourth Proportional to 182.20, 272.94 and 163.99
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Solution
The fourth proportional to 182.20, 272.94 and 163.99 is: 245.66
Step by Step Solution
- Step 1: Write the proportion equation
182.20 : 272.94 = 163.99 : x - Step 2: Convert to fraction form
182.20/272.94 = 163.99/x - Step 3: Cross multiply
182.20x = 272.94 × 163.99 - Step 4: Simplify right side
182.20x = 44,759.43 - Step 5: Solve for x
x = 44,759.43/182.20 - Step 6: Final answer
x = 245.66
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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.