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Finding the Fourth Proportional to 633.33, 945.41 and 547.22

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Solution

The fourth proportional to 633.33, 945.41 and 547.22 is: 816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.33 : 945.41 = 547.22 : x
  2. Step 2: Convert to fraction form
    633.33/945.41 = 547.22/x
  3. Step 3: Cross multiply
    633.33x = 945.41 × 547.22
  4. Step 4: Simplify right side
    633.33x = 517,341.85
  5. Step 5: Solve for x
    x = 517,341.85/633.33
  6. Step 6: Final answer
    x = 816.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.