Finding the Fourth Proportional to 132.44, 198.65 and 36.26
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Solution
The fourth proportional to 132.44, 198.65 and 36.26 is: 54.39
Step by Step Solution
- Step 1: Write the proportion equation
132.44 : 198.65 = 36.26 : x - Step 2: Convert to fraction form
132.44/198.65 = 36.26/x - Step 3: Cross multiply
132.44x = 198.65 × 36.26 - Step 4: Simplify right side
132.44x = 7,203.05 - Step 5: Solve for x
x = 7,203.05/132.44 - Step 6: Final answer
x = 54.39
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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.