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Finding the Fourth Proportional to 424.62, 636.91 and 150.68

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Solution

The fourth proportional to 424.62, 636.91 and 150.68 is: 226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.62 : 636.91 = 150.68 : x
  2. Step 2: Convert to fraction form
    424.62/636.91 = 150.68/x
  3. Step 3: Cross multiply
    424.62x = 636.91 × 150.68
  4. Step 4: Simplify right side
    424.62x = 95,970.81
  5. Step 5: Solve for x
    x = 95,970.81/424.62
  6. Step 6: Final answer
    x = 226.02

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