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Finding the Fourth Proportional to 479.56, 719.46 and 154.96

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Solution

The fourth proportional to 479.56, 719.46 and 154.96 is: 232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.56 : 719.46 = 154.96 : x
  2. Step 2: Convert to fraction form
    479.56/719.46 = 154.96/x
  3. Step 3: Cross multiply
    479.56x = 719.46 × 154.96
  4. Step 4: Simplify right side
    479.56x = 111,487.52
  5. Step 5: Solve for x
    x = 111,487.52/479.56
  6. Step 6: Final answer
    x = 232.48

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