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Finding the Fourth Proportional to 650.56, 974.88 and 602.56

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Solution

The fourth proportional to 650.56, 974.88 and 602.56 is: 902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.56 : 974.88 = 602.56 : x
  2. Step 2: Convert to fraction form
    650.56/974.88 = 602.56/x
  3. Step 3: Cross multiply
    650.56x = 974.88 × 602.56
  4. Step 4: Simplify right side
    650.56x = 587,423.69
  5. Step 5: Solve for x
    x = 587,423.69/650.56
  6. Step 6: Final answer
    x = 902.95

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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.