Finding the Fourth Proportional to 122.34, 183.84 and 93.63
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Solution
The fourth proportional to 122.34, 183.84 and 93.63 is: 140.71
Step by Step Solution
- Step 1: Write the proportion equation
122.34 : 183.84 = 93.63 : x - Step 2: Convert to fraction form
122.34/183.84 = 93.63/x - Step 3: Cross multiply
122.34x = 183.84 × 93.63 - Step 4: Simplify right side
122.34x = 17,213.55 - Step 5: Solve for x
x = 17,213.55/122.34 - Step 6: Final answer
x = 140.71
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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.