Finding the Fourth Proportional to 135.11, 201.36 and 132.41
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Solution
The fourth proportional to 135.11, 201.36 and 132.41 is: 197.34
Step by Step Solution
- Step 1: Write the proportion equation
135.11 : 201.36 = 132.41 : x - Step 2: Convert to fraction form
135.11/201.36 = 132.41/x - Step 3: Cross multiply
135.11x = 201.36 × 132.41 - Step 4: Simplify right side
135.11x = 26,662.08 - Step 5: Solve for x
x = 26,662.08/135.11 - Step 6: Final answer
x = 197.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.