Finding the Fourth Proportional to 232.05, 348.09 and 77.99
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Solution
The fourth proportional to 232.05, 348.09 and 77.99 is: 116.99
Step by Step Solution
- Step 1: Write the proportion equation
232.05 : 348.09 = 77.99 : x - Step 2: Convert to fraction form
232.05/348.09 = 77.99/x - Step 3: Cross multiply
232.05x = 348.09 × 77.99 - Step 4: Simplify right side
232.05x = 27,146.92 - Step 5: Solve for x
x = 27,146.92/232.05 - Step 6: Final answer
x = 116.99
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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.