Finding the Fourth Proportional to 122.25, 183.64 and 93.26
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Solution
The fourth proportional to 122.25, 183.64 and 93.26 is: 140.09
Step by Step Solution
- Step 1: Write the proportion equation
122.25 : 183.64 = 93.26 : x - Step 2: Convert to fraction form
122.25/183.64 = 93.26/x - Step 3: Cross multiply
122.25x = 183.64 × 93.26 - Step 4: Simplify right side
122.25x = 17,126.27 - Step 5: Solve for x
x = 17,126.27/122.25 - Step 6: Final answer
x = 140.09
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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.