Finding the Fourth Proportional to 132.97, 183.65 and 88.63
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Solution
The fourth proportional to 132.97, 183.65 and 88.63 is: 122.42
Step by Step Solution
- Step 1: Write the proportion equation
132.97 : 183.65 = 88.63 : x - Step 2: Convert to fraction form
132.97/183.65 = 88.63/x - Step 3: Cross multiply
132.97x = 183.65 × 88.63 - Step 4: Simplify right side
132.97x = 16,277.20 - Step 5: Solve for x
x = 16,277.20/132.97 - Step 6: Final answer
x = 122.42
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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.