Finding the Fourth Proportional to 132.26, 198.16 and 110.63
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Solution
The fourth proportional to 132.26, 198.16 and 110.63 is: 165.75
Step by Step Solution
- Step 1: Write the proportion equation
132.26 : 198.16 = 110.63 : x - Step 2: Convert to fraction form
132.26/198.16 = 110.63/x - Step 3: Cross multiply
132.26x = 198.16 × 110.63 - Step 4: Simplify right side
132.26x = 21,922.44 - Step 5: Solve for x
x = 21,922.44/132.26 - Step 6: Final answer
x = 165.75
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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.