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Finding the Fourth Proportional to 433.02, 649.59 and 144.36

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Solution

The fourth proportional to 433.02, 649.59 and 144.36 is: 216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.02 : 649.59 = 144.36 : x
  2. Step 2: Convert to fraction form
    433.02/649.59 = 144.36/x
  3. Step 3: Cross multiply
    433.02x = 649.59 × 144.36
  4. Step 4: Simplify right side
    433.02x = 93,774.81
  5. Step 5: Solve for x
    x = 93,774.81/433.02
  6. Step 6: Final answer
    x = 216.56

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