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Finding the Fourth Proportional to 641.11, 962.23 and 333.17

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Solution

The fourth proportional to 641.11, 962.23 and 333.17 is: 500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    641.11 : 962.23 = 333.17 : x
  2. Step 2: Convert to fraction form
    641.11/962.23 = 333.17/x
  3. Step 3: Cross multiply
    641.11x = 962.23 × 333.17
  4. Step 4: Simplify right side
    641.11x = 320,584.50
  5. Step 5: Solve for x
    x = 320,584.50/641.11
  6. Step 6: Final answer
    x = 500.05

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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.