Finding the Fourth Proportional to 232.11, 348.21 and 69.79
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Solution
The fourth proportional to 232.11, 348.21 and 69.79 is: 104.70
Step by Step Solution
- Step 1: Write the proportion equation
232.11 : 348.21 = 69.79 : x - Step 2: Convert to fraction form
232.11/348.21 = 69.79/x - Step 3: Cross multiply
232.11x = 348.21 × 69.79 - Step 4: Simplify right side
232.11x = 24,301.58 - Step 5: Solve for x
x = 24,301.58/232.11 - Step 6: Final answer
x = 104.70
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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.