Finding the Fourth Proportional to 132.26, 182.41 and 79.81
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Solution
The fourth proportional to 132.26, 182.41 and 79.81 is: 110.07
Step by Step Solution
- Step 1: Write the proportion equation
132.26 : 182.41 = 79.81 : x - Step 2: Convert to fraction form
132.26/182.41 = 79.81/x - Step 3: Cross multiply
132.26x = 182.41 × 79.81 - Step 4: Simplify right side
132.26x = 14,557.49 - Step 5: Solve for x
x = 14,557.49/132.26 - Step 6: Final answer
x = 110.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.