Finding the Fourth Proportional to 141.09, 194.75 and 132.99
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Solution
The fourth proportional to 141.09, 194.75 and 132.99 is: 183.57
Step by Step Solution
- Step 1: Write the proportion equation
141.09 : 194.75 = 132.99 : x - Step 2: Convert to fraction form
141.09/194.75 = 132.99/x - Step 3: Cross multiply
141.09x = 194.75 × 132.99 - Step 4: Simplify right side
141.09x = 25,899.80 - Step 5: Solve for x
x = 25,899.80/141.09 - Step 6: Final answer
x = 183.57
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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.