Finding the Fourth Proportional to 122.60, 183.36 and 107.54
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Solution
The fourth proportional to 122.60, 183.36 and 107.54 is: 160.84
Step by Step Solution
- Step 1: Write the proportion equation
122.60 : 183.36 = 107.54 : x - Step 2: Convert to fraction form
122.60/183.36 = 107.54/x - Step 3: Cross multiply
122.60x = 183.36 × 107.54 - Step 4: Simplify right side
122.60x = 19,718.53 - Step 5: Solve for x
x = 19,718.53/122.60 - Step 6: Final answer
x = 160.84
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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.