Finding the Fourth Proportional to 232.34, 321.09 and 207.74
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Solution
The fourth proportional to 232.34, 321.09 and 207.74 is: 287.09
Step by Step Solution
- Step 1: Write the proportion equation
232.34 : 321.09 = 207.74 : x - Step 2: Convert to fraction form
232.34/321.09 = 207.74/x - Step 3: Cross multiply
232.34x = 321.09 × 207.74 - Step 4: Simplify right side
232.34x = 66,703.24 - Step 5: Solve for x
x = 66,703.24/232.34 - Step 6: Final answer
x = 287.09
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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.