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Finding the Fourth Proportional to 451.03, 622.42 and 244.03

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Solution

The fourth proportional to 451.03, 622.42 and 244.03 is: 336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.03 : 622.42 = 244.03 : x
  2. Step 2: Convert to fraction form
    451.03/622.42 = 244.03/x
  3. Step 3: Cross multiply
    451.03x = 622.42 × 244.03
  4. Step 4: Simplify right side
    451.03x = 151,890.69
  5. Step 5: Solve for x
    x = 151,890.69/451.03
  6. Step 6: Final answer
    x = 336.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.