Finding the Fourth Proportional to 134.20, 201.36 and 93.55
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Solution
The fourth proportional to 134.20, 201.36 and 93.55 is: 140.37
Step by Step Solution
- Step 1: Write the proportion equation
134.20 : 201.36 = 93.55 : x - Step 2: Convert to fraction form
134.20/201.36 = 93.55/x - Step 3: Cross multiply
134.20x = 201.36 × 93.55 - Step 4: Simplify right side
134.20x = 18,837.23 - Step 5: Solve for x
x = 18,837.23/134.20 - Step 6: Final answer
x = 140.37
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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.