Finding the Fourth Proportional to 252.23, 378.19 and 230.75
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Solution
The fourth proportional to 252.23, 378.19 and 230.75 is: 345.98
Step by Step Solution
- Step 1: Write the proportion equation
252.23 : 378.19 = 230.75 : x - Step 2: Convert to fraction form
252.23/378.19 = 230.75/x - Step 3: Cross multiply
252.23x = 378.19 × 230.75 - Step 4: Simplify right side
252.23x = 87,266.97 - Step 5: Solve for x
x = 87,266.97/252.23 - Step 6: Final answer
x = 345.98
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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.