Finding the Fourth Proportional to 175.13, 241.77 and 122.70
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Solution
The fourth proportional to 175.13, 241.77 and 122.70 is: 169.39
Step by Step Solution
- Step 1: Write the proportion equation
175.13 : 241.77 = 122.70 : x - Step 2: Convert to fraction form
175.13/241.77 = 122.70/x - Step 3: Cross multiply
175.13x = 241.77 × 122.70 - Step 4: Simplify right side
175.13x = 29,665.18 - Step 5: Solve for x
x = 29,665.18/175.13 - Step 6: Final answer
x = 169.39
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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.