Finding the Fourth Proportional to 232.26, 320.49 and 133.99
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Solution
The fourth proportional to 232.26, 320.49 and 133.99 is: 184.89
Step by Step Solution
- Step 1: Write the proportion equation
232.26 : 320.49 = 133.99 : x - Step 2: Convert to fraction form
232.26/320.49 = 133.99/x - Step 3: Cross multiply
232.26x = 320.49 × 133.99 - Step 4: Simplify right side
232.26x = 42,942.46 - Step 5: Solve for x
x = 42,942.46/232.26 - Step 6: Final answer
x = 184.89
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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.