Finding the Fourth Proportional to 252.93, 349.01 and 159.68
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Solution
The fourth proportional to 252.93, 349.01 and 159.68 is: 220.33
Step by Step Solution
- Step 1: Write the proportion equation
252.93 : 349.01 = 159.68 : x - Step 2: Convert to fraction form
252.93/349.01 = 159.68/x - Step 3: Cross multiply
252.93x = 349.01 × 159.68 - Step 4: Simplify right side
252.93x = 55,728.63 - Step 5: Solve for x
x = 55,728.63/252.93 - Step 6: Final answer
x = 220.33
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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.