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Finding the Fourth Proportional to 387.46, 581.57 and 301.73

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Solution

The fourth proportional to 387.46, 581.57 and 301.73 is: 452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    387.46 : 581.57 = 301.73 : x
  2. Step 2: Convert to fraction form
    387.46/581.57 = 301.73/x
  3. Step 3: Cross multiply
    387.46x = 581.57 × 301.73
  4. Step 4: Simplify right side
    387.46x = 175,475.27
  5. Step 5: Solve for x
    x = 175,475.27/387.46
  6. Step 6: Final answer
    x = 452.89

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