Finding the Fourth Proportional to 134.51, 201.33 and 93.80
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Solution
The fourth proportional to 134.51, 201.33 and 93.80 is: 140.39
Step by Step Solution
- Step 1: Write the proportion equation
134.51 : 201.33 = 93.80 : x - Step 2: Convert to fraction form
134.51/201.33 = 93.80/x - Step 3: Cross multiply
134.51x = 201.33 × 93.80 - Step 4: Simplify right side
134.51x = 18,883.75 - Step 5: Solve for x
x = 18,883.75/134.51 - Step 6: Final answer
x = 140.39
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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.