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Finding the Fourth Proportional to 353.81, 530.83 and 148.44

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Solution

The fourth proportional to 353.81, 530.83 and 148.44 is: 222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.81 : 530.83 = 148.44 : x
  2. Step 2: Convert to fraction form
    353.81/530.83 = 148.44/x
  3. Step 3: Cross multiply
    353.81x = 530.83 × 148.44
  4. Step 4: Simplify right side
    353.81x = 78,796.41
  5. Step 5: Solve for x
    x = 78,796.41/353.81
  6. Step 6: Final answer
    x = 222.71

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