Finding the Fourth Proportional to 191.82, 264.52 and 132.70
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Solution
The fourth proportional to 191.82, 264.52 and 132.70 is: 182.99
Step by Step Solution
- Step 1: Write the proportion equation
191.82 : 264.52 = 132.70 : x - Step 2: Convert to fraction form
191.82/264.52 = 132.70/x - Step 3: Cross multiply
191.82x = 264.52 × 132.70 - Step 4: Simplify right side
191.82x = 35,101.80 - Step 5: Solve for x
x = 35,101.80/191.82 - Step 6: Final answer
x = 182.99
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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.