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Finding the Fourth Proportional to 472.92, 709.96 and 267.65

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Solution

The fourth proportional to 472.92, 709.96 and 267.65 is: 401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.92 : 709.96 = 267.65 : x
  2. Step 2: Convert to fraction form
    472.92/709.96 = 267.65/x
  3. Step 3: Cross multiply
    472.92x = 709.96 × 267.65
  4. Step 4: Simplify right side
    472.92x = 190,020.79
  5. Step 5: Solve for x
    x = 190,020.79/472.92
  6. Step 6: Final answer
    x = 401.80

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