Finding the Fourth Proportional to 236.92, 326.84 and 149.56
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Solution
The fourth proportional to 236.92, 326.84 and 149.56 is: 206.32
Step by Step Solution
- Step 1: Write the proportion equation
236.92 : 326.84 = 149.56 : x - Step 2: Convert to fraction form
236.92/326.84 = 149.56/x - Step 3: Cross multiply
236.92x = 326.84 × 149.56 - Step 4: Simplify right side
236.92x = 48,882.19 - Step 5: Solve for x
x = 48,882.19/236.92 - Step 6: Final answer
x = 206.32
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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.