Finding the Fourth Proportional to 232.97, 321.38 and 149.99
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Solution
The fourth proportional to 232.97, 321.38 and 149.99 is: 206.91
Step by Step Solution
- Step 1: Write the proportion equation
232.97 : 321.38 = 149.99 : x - Step 2: Convert to fraction form
232.97/321.38 = 149.99/x - Step 3: Cross multiply
232.97x = 321.38 × 149.99 - Step 4: Simplify right side
232.97x = 48,203.79 - Step 5: Solve for x
x = 48,203.79/232.97 - Step 6: Final answer
x = 206.91
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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.