Finding the Fourth Proportional to 122.44, 183.63 and 41.23
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Solution
The fourth proportional to 122.44, 183.63 and 41.23 is: 61.83
Step by Step Solution
- Step 1: Write the proportion equation
122.44 : 183.63 = 41.23 : x - Step 2: Convert to fraction form
122.44/183.63 = 41.23/x - Step 3: Cross multiply
122.44x = 183.63 × 41.23 - Step 4: Simplify right side
122.44x = 7,571.06 - Step 5: Solve for x
x = 7,571.06/122.44 - Step 6: Final answer
x = 61.83
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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.