Finding the Fourth Proportional to 122.84, 184.26 and 44.75
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Solution
The fourth proportional to 122.84, 184.26 and 44.75 is: 67.12
Step by Step Solution
- Step 1: Write the proportion equation
122.84 : 184.26 = 44.75 : x - Step 2: Convert to fraction form
122.84/184.26 = 44.75/x - Step 3: Cross multiply
122.84x = 184.26 × 44.75 - Step 4: Simplify right side
122.84x = 8,245.57 - Step 5: Solve for x
x = 8,245.57/122.84 - Step 6: Final answer
x = 67.12
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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.