Finding the Fourth Proportional to 252.44, 348.44 and 154.26
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Solution
The fourth proportional to 252.44, 348.44 and 154.26 is: 212.92
Step by Step Solution
- Step 1: Write the proportion equation
252.44 : 348.44 = 154.26 : x - Step 2: Convert to fraction form
252.44/348.44 = 154.26/x - Step 3: Cross multiply
252.44x = 348.44 × 154.26 - Step 4: Simplify right side
252.44x = 53,749.58 - Step 5: Solve for x
x = 53,749.58/252.44 - Step 6: Final answer
x = 212.92
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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.