Finding the Fourth Proportional to 155.62, 232.97 and 114.77
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Solution
The fourth proportional to 155.62, 232.97 and 114.77 is: 171.82
Step by Step Solution
- Step 1: Write the proportion equation
155.62 : 232.97 = 114.77 : x - Step 2: Convert to fraction form
155.62/232.97 = 114.77/x - Step 3: Cross multiply
155.62x = 232.97 × 114.77 - Step 4: Simplify right side
155.62x = 26,737.97 - Step 5: Solve for x
x = 26,737.97/155.62 - Step 6: Final answer
x = 171.82
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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.