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Finding the Fourth Proportional to 628.70, 943.05 and 602.04

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Solution

The fourth proportional to 628.70, 943.05 and 602.04 is: 903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.70 : 943.05 = 602.04 : x
  2. Step 2: Convert to fraction form
    628.70/943.05 = 602.04/x
  3. Step 3: Cross multiply
    628.70x = 943.05 × 602.04
  4. Step 4: Simplify right side
    628.70x = 567,753.82
  5. Step 5: Solve for x
    x = 567,753.82/628.70
  6. Step 6: Final answer
    x = 903.06

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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.