Finding the Fourth Proportional to 232.70, 349.09 and 155.66
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Solution
The fourth proportional to 232.70, 349.09 and 155.66 is: 233.51
Step by Step Solution
- Step 1: Write the proportion equation
232.70 : 349.09 = 155.66 : x - Step 2: Convert to fraction form
232.70/349.09 = 155.66/x - Step 3: Cross multiply
232.70x = 349.09 × 155.66 - Step 4: Simplify right side
232.70x = 54,337.21 - Step 5: Solve for x
x = 54,337.21/232.70 - Step 6: Final answer
x = 233.51
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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.