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Finding the Fourth Proportional to 515.73, 773.61 and 241.95

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Solution

The fourth proportional to 515.73, 773.61 and 241.95 is: 362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.73 : 773.61 = 241.95 : x
  2. Step 2: Convert to fraction form
    515.73/773.61 = 241.95/x
  3. Step 3: Cross multiply
    515.73x = 773.61 × 241.95
  4. Step 4: Simplify right side
    515.73x = 187,174.94
  5. Step 5: Solve for x
    x = 187,174.94/515.73
  6. Step 6: Final answer
    x = 362.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.