Finding the Fourth Proportional to 168.56, 232.68 and 116.84
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Solution
The fourth proportional to 168.56, 232.68 and 116.84 is: 161.29
Step by Step Solution
- Step 1: Write the proportion equation
168.56 : 232.68 = 116.84 : x - Step 2: Convert to fraction form
168.56/232.68 = 116.84/x - Step 3: Cross multiply
168.56x = 232.68 × 116.84 - Step 4: Simplify right side
168.56x = 27,186.33 - Step 5: Solve for x
x = 27,186.33/168.56 - Step 6: Final answer
x = 161.29
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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.