Finding the Fourth Proportional to 116.12, 160.24 and 67
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Solution
The fourth proportional to 116.12, 160.24 and 67 is: 92.46
Step by Step Solution
- Step 1: Write the proportion equation
116.12 : 160.24 = 67 : x - Step 2: Convert to fraction form
116.12/160.24 = 67/x - Step 3: Cross multiply
116.12x = 160.24 × 67 - Step 4: Simplify right side
116.12x = 10,736.08 - Step 5: Solve for x
x = 10,736.08/116.12 - Step 6: Final answer
x = 92.46
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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.