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Finding the Fourth Proportional to 609.64, 843.15 and 544.03

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Solution

The fourth proportional to 609.64, 843.15 and 544.03 is: 752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.64 : 843.15 = 544.03 : x
  2. Step 2: Convert to fraction form
    609.64/843.15 = 544.03/x
  3. Step 3: Cross multiply
    609.64x = 843.15 × 544.03
  4. Step 4: Simplify right side
    609.64x = 458,698.89
  5. Step 5: Solve for x
    x = 458,698.89/609.64
  6. Step 6: Final answer
    x = 752.41

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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.