Finding the Fourth Proportional to 252.65, 348.48 and 231.99
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Solution
The fourth proportional to 252.65, 348.48 and 231.99 is: 319.99
Step by Step Solution
- Step 1: Write the proportion equation
252.65 : 348.48 = 231.99 : x - Step 2: Convert to fraction form
252.65/348.48 = 231.99/x - Step 3: Cross multiply
252.65x = 348.48 × 231.99 - Step 4: Simplify right side
252.65x = 80,843.88 - Step 5: Solve for x
x = 80,843.88/252.65 - Step 6: Final answer
x = 319.99
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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.