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Finding the Fourth Proportional to 630.41, 944.60 and 355.69

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Solution

The fourth proportional to 630.41, 944.60 and 355.69 is: 532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.41 : 944.60 = 355.69 : x
  2. Step 2: Convert to fraction form
    630.41/944.60 = 355.69/x
  3. Step 3: Cross multiply
    630.41x = 944.60 × 355.69
  4. Step 4: Simplify right side
    630.41x = 335,980.05
  5. Step 5: Solve for x
    x = 335,980.05/630.41
  6. Step 6: Final answer
    x = 532.95

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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.