Finding the Fourth Proportional to 252.41, 379.05 and 230.99
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Solution
The fourth proportional to 252.41, 379.05 and 230.99 is: 346.88
Step by Step Solution
- Step 1: Write the proportion equation
252.41 : 379.05 = 230.99 : x - Step 2: Convert to fraction form
252.41/379.05 = 230.99/x - Step 3: Cross multiply
252.41x = 379.05 × 230.99 - Step 4: Simplify right side
252.41x = 87,554.86 - Step 5: Solve for x
x = 87,554.86/252.41 - Step 6: Final answer
x = 346.88
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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.