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Finding the Fourth Proportional to 349.84, 482.49 and 250.06

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Solution

The fourth proportional to 349.84, 482.49 and 250.06 is: 344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.84 : 482.49 = 250.06 : x
  2. Step 2: Convert to fraction form
    349.84/482.49 = 250.06/x
  3. Step 3: Cross multiply
    349.84x = 482.49 × 250.06
  4. Step 4: Simplify right side
    349.84x = 120,651.45
  5. Step 5: Solve for x
    x = 120,651.45/349.84
  6. Step 6: Final answer
    x = 344.88

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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.