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Finding the Fourth Proportional to 381.81, 527.13 and 241.95

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Solution

The fourth proportional to 381.81, 527.13 and 241.95 is: 334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.81 : 527.13 = 241.95 : x
  2. Step 2: Convert to fraction form
    381.81/527.13 = 241.95/x
  3. Step 3: Cross multiply
    381.81x = 527.13 × 241.95
  4. Step 4: Simplify right side
    381.81x = 127,539.10
  5. Step 5: Solve for x
    x = 127,539.10/381.81
  6. Step 6: Final answer
    x = 334.04

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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.