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Finding the Fourth Proportional to 650.84, 976.36 and 239.95

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Solution

The fourth proportional to 650.84, 976.36 and 239.95 is: 359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.84 : 976.36 = 239.95 : x
  2. Step 2: Convert to fraction form
    650.84/976.36 = 239.95/x
  3. Step 3: Cross multiply
    650.84x = 976.36 × 239.95
  4. Step 4: Simplify right side
    650.84x = 234,273.84
  5. Step 5: Solve for x
    x = 234,273.84/650.84
  6. Step 6: Final answer
    x = 359.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.