Finding the Fourth Proportional to 135.24, 201.51 and 133.08
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Solution
The fourth proportional to 135.24, 201.51 and 133.08 is: 198.29
Step by Step Solution
- Step 1: Write the proportion equation
135.24 : 201.51 = 133.08 : x - Step 2: Convert to fraction form
135.24/201.51 = 133.08/x - Step 3: Cross multiply
135.24x = 201.51 × 133.08 - Step 4: Simplify right side
135.24x = 26,816.95 - Step 5: Solve for x
x = 26,816.95/135.24 - Step 6: Final answer
x = 198.29
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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.