Finding the Fourth Proportional to 122.42, 183.66 and 41.26
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Solution
The fourth proportional to 122.42, 183.66 and 41.26 is: 61.90
Step by Step Solution
- Step 1: Write the proportion equation
122.42 : 183.66 = 41.26 : x - Step 2: Convert to fraction form
122.42/183.66 = 41.26/x - Step 3: Cross multiply
122.42x = 183.66 × 41.26 - Step 4: Simplify right side
122.42x = 7,577.81 - Step 5: Solve for x
x = 7,577.81/122.42 - Step 6: Final answer
x = 61.90
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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.