Finding the Fourth Proportional to 232.31, 348.21 and 140.99
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Solution
The fourth proportional to 232.31, 348.21 and 140.99 is: 211.32
Step by Step Solution
- Step 1: Write the proportion equation
232.31 : 348.21 = 140.99 : x - Step 2: Convert to fraction form
232.31/348.21 = 140.99/x - Step 3: Cross multiply
232.31x = 348.21 × 140.99 - Step 4: Simplify right side
232.31x = 49,092.39 - Step 5: Solve for x
x = 49,092.39/232.31 - Step 6: Final answer
x = 211.32
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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.