Finding the Fourth Proportional to 251.10, 376.44 and 207.63
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Solution
The fourth proportional to 251.10, 376.44 and 207.63 is: 311.27
Step by Step Solution
- Step 1: Write the proportion equation
251.10 : 376.44 = 207.63 : x - Step 2: Convert to fraction form
251.10/376.44 = 207.63/x - Step 3: Cross multiply
251.10x = 376.44 × 207.63 - Step 4: Simplify right side
251.10x = 78,160.24 - Step 5: Solve for x
x = 78,160.24/251.10 - Step 6: Final answer
x = 311.27
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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.