Finding the Fourth Proportional to 252.08, 347.84 and 199.75
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Solution
The fourth proportional to 252.08, 347.84 and 199.75 is: 275.63
Step by Step Solution
- Step 1: Write the proportion equation
252.08 : 347.84 = 199.75 : x - Step 2: Convert to fraction form
252.08/347.84 = 199.75/x - Step 3: Cross multiply
252.08x = 347.84 × 199.75 - Step 4: Simplify right side
252.08x = 69,481.70 - Step 5: Solve for x
x = 69,481.70/252.08 - Step 6: Final answer
x = 275.63
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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.