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Finding the Fourth Proportional to 433.60, 650.40 and 159.70

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Solution

The fourth proportional to 433.60, 650.40 and 159.70 is: 239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.60 : 650.40 = 159.70 : x
  2. Step 2: Convert to fraction form
    433.60/650.40 = 159.70/x
  3. Step 3: Cross multiply
    433.60x = 650.40 × 159.70
  4. Step 4: Simplify right side
    433.60x = 103,868.88
  5. Step 5: Solve for x
    x = 103,868.88/433.60
  6. Step 6: Final answer
    x = 239.55

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