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Finding the Fourth Proportional to 275.35, 377.83 and 250.69

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Solution

The fourth proportional to 275.35, 377.83 and 250.69 is: 343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.35 : 377.83 = 250.69 : x
  2. Step 2: Convert to fraction form
    275.35/377.83 = 250.69/x
  3. Step 3: Cross multiply
    275.35x = 377.83 × 250.69
  4. Step 4: Simplify right side
    275.35x = 94,718.20
  5. Step 5: Solve for x
    x = 94,718.20/275.35
  6. Step 6: Final answer
    x = 343.99

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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.