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Finding the Fourth Proportional to 350.28, 483.30 and 239.88

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Solution

The fourth proportional to 350.28, 483.30 and 239.88 is: 330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.28 : 483.30 = 239.88 : x
  2. Step 2: Convert to fraction form
    350.28/483.30 = 239.88/x
  3. Step 3: Cross multiply
    350.28x = 483.30 × 239.88
  4. Step 4: Simplify right side
    350.28x = 115,934.00
  5. Step 5: Solve for x
    x = 115,934.00/350.28
  6. Step 6: Final answer
    x = 330.98

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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.