Finding the Fourth Proportional to 252.87, 379.08 and 130.99
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Solution
The fourth proportional to 252.87, 379.08 and 130.99 is: 196.37
Step by Step Solution
- Step 1: Write the proportion equation
252.87 : 379.08 = 130.99 : x - Step 2: Convert to fraction form
252.87/379.08 = 130.99/x - Step 3: Cross multiply
252.87x = 379.08 × 130.99 - Step 4: Simplify right side
252.87x = 49,656.52 - Step 5: Solve for x
x = 49,656.52/252.87 - Step 6: Final answer
x = 196.37
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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.