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Finding the Fourth Proportional to 626.30, 939.96 and 601.70

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Solution

The fourth proportional to 626.30, 939.96 and 601.70 is: 903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.30 : 939.96 = 601.70 : x
  2. Step 2: Convert to fraction form
    626.30/939.96 = 601.70/x
  3. Step 3: Cross multiply
    626.30x = 939.96 × 601.70
  4. Step 4: Simplify right side
    626.30x = 565,573.93
  5. Step 5: Solve for x
    x = 565,573.93/626.30
  6. Step 6: Final answer
    x = 903.04

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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.