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Finding the Fourth Proportional to 294.76, 441.94 and 140.72

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Solution

The fourth proportional to 294.76, 441.94 and 140.72 is: 210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.76 : 441.94 = 140.72 : x
  2. Step 2: Convert to fraction form
    294.76/441.94 = 140.72/x
  3. Step 3: Cross multiply
    294.76x = 441.94 × 140.72
  4. Step 4: Simplify right side
    294.76x = 62,189.80
  5. Step 5: Solve for x
    x = 62,189.80/294.76
  6. Step 6: Final answer
    x = 210.98

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