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Finding the Fourth Proportional to 634.97, 950.63 and 479.97

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Solution

The fourth proportional to 634.97, 950.63 and 479.97 is: 718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.97 : 950.63 = 479.97 : x
  2. Step 2: Convert to fraction form
    634.97/950.63 = 479.97/x
  3. Step 3: Cross multiply
    634.97x = 950.63 × 479.97
  4. Step 4: Simplify right side
    634.97x = 456,273.88
  5. Step 5: Solve for x
    x = 456,273.88/634.97
  6. Step 6: Final answer
    x = 718.58

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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.