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Finding the Fourth Proportional to 610.00, 842.20 and 544.39

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Solution

The fourth proportional to 610.00, 842.20 and 544.39 is: 751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.00 : 842.20 = 544.39 : x
  2. Step 2: Convert to fraction form
    610.00/842.20 = 544.39/x
  3. Step 3: Cross multiply
    610.00x = 842.20 × 544.39
  4. Step 4: Simplify right side
    610.00x = 458,481.79
  5. Step 5: Solve for x
    x = 458,481.79/610.00
  6. Step 6: Final answer
    x = 751.61

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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.