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Finding the Fourth Proportional to 336.28, 503.66 and 153.42

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Solution

The fourth proportional to 336.28, 503.66 and 153.42 is: 229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.28 : 503.66 = 153.42 : x
  2. Step 2: Convert to fraction form
    336.28/503.66 = 153.42/x
  3. Step 3: Cross multiply
    336.28x = 503.66 × 153.42
  4. Step 4: Simplify right side
    336.28x = 77,271.52
  5. Step 5: Solve for x
    x = 77,271.52/336.28
  6. Step 6: Final answer
    x = 229.78

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