Finding the Fourth Proportional to 183.26, 252.94 and 105.68
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Solution
The fourth proportional to 183.26, 252.94 and 105.68 is: 145.86
Step by Step Solution
- Step 1: Write the proportion equation
183.26 : 252.94 = 105.68 : x - Step 2: Convert to fraction form
183.26/252.94 = 105.68/x - Step 3: Cross multiply
183.26x = 252.94 × 105.68 - Step 4: Simplify right side
183.26x = 26,730.70 - Step 5: Solve for x
x = 26,730.70/183.26 - Step 6: Final answer
x = 145.86
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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.