Finding the Fourth Proportional to 135.26, 201.70 and 132.02
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Solution
The fourth proportional to 135.26, 201.70 and 132.02 is: 196.87
Step by Step Solution
- Step 1: Write the proportion equation
135.26 : 201.70 = 132.02 : x - Step 2: Convert to fraction form
135.26/201.70 = 132.02/x - Step 3: Cross multiply
135.26x = 201.70 × 132.02 - Step 4: Simplify right side
135.26x = 26,628.43 - Step 5: Solve for x
x = 26,628.43/135.26 - Step 6: Final answer
x = 196.87
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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.