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Finding the Fourth Proportional to 630.63, 944.91 and 606.63

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Solution

The fourth proportional to 630.63, 944.91 and 606.63 is: 908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.63 : 944.91 = 606.63 : x
  2. Step 2: Convert to fraction form
    630.63/944.91 = 606.63/x
  3. Step 3: Cross multiply
    630.63x = 944.91 × 606.63
  4. Step 4: Simplify right side
    630.63x = 573,210.75
  5. Step 5: Solve for x
    x = 573,210.75/630.63
  6. Step 6: Final answer
    x = 908.95

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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.