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Finding the Fourth Proportional to 635.04, 951.17 and 619.55

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Solution

The fourth proportional to 635.04, 951.17 and 619.55 is: 927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.04 : 951.17 = 619.55 : x
  2. Step 2: Convert to fraction form
    635.04/951.17 = 619.55/x
  3. Step 3: Cross multiply
    635.04x = 951.17 × 619.55
  4. Step 4: Simplify right side
    635.04x = 589,292.62
  5. Step 5: Solve for x
    x = 589,292.62/635.04
  6. Step 6: Final answer
    x = 927.97

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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.