Finding the Fourth Proportional to 227.11, 341.21 and 130.99
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Solution
The fourth proportional to 227.11, 341.21 and 130.99 is: 196.80
Step by Step Solution
- Step 1: Write the proportion equation
227.11 : 341.21 = 130.99 : x - Step 2: Convert to fraction form
227.11/341.21 = 130.99/x - Step 3: Cross multiply
227.11x = 341.21 × 130.99 - Step 4: Simplify right side
227.11x = 44,695.10 - Step 5: Solve for x
x = 44,695.10/227.11 - Step 6: Final answer
x = 196.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.