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Finding the Fourth Proportional to 384.06, 576.16 and 140.62

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Solution

The fourth proportional to 384.06, 576.16 and 140.62 is: 210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.06 : 576.16 = 140.62 : x
  2. Step 2: Convert to fraction form
    384.06/576.16 = 140.62/x
  3. Step 3: Cross multiply
    384.06x = 576.16 × 140.62
  4. Step 4: Simplify right side
    384.06x = 81,019.62
  5. Step 5: Solve for x
    x = 81,019.62/384.06
  6. Step 6: Final answer
    x = 210.96

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