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Finding the Fourth Proportional to 636.37, 953.81 and 563.39

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Solution

The fourth proportional to 636.37, 953.81 and 563.39 is: 844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.37 : 953.81 = 563.39 : x
  2. Step 2: Convert to fraction form
    636.37/953.81 = 563.39/x
  3. Step 3: Cross multiply
    636.37x = 953.81 × 563.39
  4. Step 4: Simplify right side
    636.37x = 537,365.57
  5. Step 5: Solve for x
    x = 537,365.57/636.37
  6. Step 6: Final answer
    x = 844.43

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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.