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Finding the Fourth Proportional to 338.07, 466.61 and 213.65

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Solution

The fourth proportional to 338.07, 466.61 and 213.65 is: 294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.07 : 466.61 = 213.65 : x
  2. Step 2: Convert to fraction form
    338.07/466.61 = 213.65/x
  3. Step 3: Cross multiply
    338.07x = 466.61 × 213.65
  4. Step 4: Simplify right side
    338.07x = 99,692.93
  5. Step 5: Solve for x
    x = 99,692.93/338.07
  6. Step 6: Final answer
    x = 294.89

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