Finding the Fourth Proportional to 183.19, 252.63 and 136.68
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Solution
The fourth proportional to 183.19, 252.63 and 136.68 is: 188.48
Step by Step Solution
- Step 1: Write the proportion equation
183.19 : 252.63 = 136.68 : x - Step 2: Convert to fraction form
183.19/252.63 = 136.68/x - Step 3: Cross multiply
183.19x = 252.63 × 136.68 - Step 4: Simplify right side
183.19x = 34,528.21 - Step 5: Solve for x
x = 34,528.21/183.19 - Step 6: Final answer
x = 188.48
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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.