Finding the Fourth Proportional to 132.82, 183.35 and 83.05
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Solution
The fourth proportional to 132.82, 183.35 and 83.05 is: 114.65
Step by Step Solution
- Step 1: Write the proportion equation
132.82 : 183.35 = 83.05 : x - Step 2: Convert to fraction form
132.82/183.35 = 83.05/x - Step 3: Cross multiply
132.82x = 183.35 × 83.05 - Step 4: Simplify right side
132.82x = 15,227.22 - Step 5: Solve for x
x = 15,227.22/132.82 - Step 6: Final answer
x = 114.65
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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.