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Finding the Fourth Proportional to 638.04, 950.76 and 601.59

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Solution

The fourth proportional to 638.04, 950.76 and 601.59 is: 896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    638.04 : 950.76 = 601.59 : x
  2. Step 2: Convert to fraction form
    638.04/950.76 = 601.59/x
  3. Step 3: Cross multiply
    638.04x = 950.76 × 601.59
  4. Step 4: Simplify right side
    638.04x = 571,967.71
  5. Step 5: Solve for x
    x = 571,967.71/638.04
  6. Step 6: Final answer
    x = 896.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.