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Finding the Fourth Proportional to 275.10, 377.49 and 250.35

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Solution

The fourth proportional to 275.10, 377.49 and 250.35 is: 343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.10 : 377.49 = 250.35 : x
  2. Step 2: Convert to fraction form
    275.10/377.49 = 250.35/x
  3. Step 3: Cross multiply
    275.10x = 377.49 × 250.35
  4. Step 4: Simplify right side
    275.10x = 94,504.62
  5. Step 5: Solve for x
    x = 94,504.62/275.10
  6. Step 6: Final answer
    x = 343.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.