Finding the Fourth Proportional to 183.11, 252.68 and 113.18
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Solution
The fourth proportional to 183.11, 252.68 and 113.18 is: 156.18
Step by Step Solution
- Step 1: Write the proportion equation
183.11 : 252.68 = 113.18 : x - Step 2: Convert to fraction form
183.11/252.68 = 113.18/x - Step 3: Cross multiply
183.11x = 252.68 × 113.18 - Step 4: Simplify right side
183.11x = 28,596.49 - Step 5: Solve for x
x = 28,596.49/183.11 - Step 6: Final answer
x = 156.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.