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Finding the Fourth Proportional to 348.77, 480.33 and 250.36

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Solution

The fourth proportional to 348.77, 480.33 and 250.36 is: 344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.77 : 480.33 = 250.36 : x
  2. Step 2: Convert to fraction form
    348.77/480.33 = 250.36/x
  3. Step 3: Cross multiply
    348.77x = 480.33 × 250.36
  4. Step 4: Simplify right side
    348.77x = 120,254.22
  5. Step 5: Solve for x
    x = 120,254.22/348.77
  6. Step 6: Final answer
    x = 344.79

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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.