Finding the Fourth Proportional to 107.11, 160.68 and 55.75
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Solution
The fourth proportional to 107.11, 160.68 and 55.75 is: 83.63
Step by Step Solution
- Step 1: Write the proportion equation
107.11 : 160.68 = 55.75 : x - Step 2: Convert to fraction form
107.11/160.68 = 55.75/x - Step 3: Cross multiply
107.11x = 160.68 × 55.75 - Step 4: Simplify right side
107.11x = 8,957.91 - Step 5: Solve for x
x = 8,957.91/107.11 - Step 6: Final answer
x = 83.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.