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Finding the Fourth Proportional to 281.04, 421.08 and 237.66

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Solution

The fourth proportional to 281.04, 421.08 and 237.66 is: 356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.04 : 421.08 = 237.66 : x
  2. Step 2: Convert to fraction form
    281.04/421.08 = 237.66/x
  3. Step 3: Cross multiply
    281.04x = 421.08 × 237.66
  4. Step 4: Simplify right side
    281.04x = 100,073.87
  5. Step 5: Solve for x
    x = 100,073.87/281.04
  6. Step 6: Final answer
    x = 356.08

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