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Finding the Fourth Proportional to 613.59, 844.83 and 541.66

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Solution

The fourth proportional to 613.59, 844.83 and 541.66 is: 745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.59 : 844.83 = 541.66 : x
  2. Step 2: Convert to fraction form
    613.59/844.83 = 541.66/x
  3. Step 3: Cross multiply
    613.59x = 844.83 × 541.66
  4. Step 4: Simplify right side
    613.59x = 457,610.54
  5. Step 5: Solve for x
    x = 457,610.54/613.59
  6. Step 6: Final answer
    x = 745.79

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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.