Finding the Fourth Proportional to 122.97, 184.44 and 41.84
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Solution
The fourth proportional to 122.97, 184.44 and 41.84 is: 62.75
Step by Step Solution
- Step 1: Write the proportion equation
122.97 : 184.44 = 41.84 : x - Step 2: Convert to fraction form
122.97/184.44 = 41.84/x - Step 3: Cross multiply
122.97x = 184.44 × 41.84 - Step 4: Simplify right side
122.97x = 7,716.05 - Step 5: Solve for x
x = 7,716.05/122.97 - Step 6: Final answer
x = 62.75
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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.