Finding the Fourth Proportional to 252.08, 377.91 and 107.63
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Solution
The fourth proportional to 252.08, 377.91 and 107.63 is: 161.35
Step by Step Solution
- Step 1: Write the proportion equation
252.08 : 377.91 = 107.63 : x - Step 2: Convert to fraction form
252.08/377.91 = 107.63/x - Step 3: Cross multiply
252.08x = 377.91 × 107.63 - Step 4: Simplify right side
252.08x = 40,672.56 - Step 5: Solve for x
x = 40,672.56/252.08 - Step 6: Final answer
x = 161.35
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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.