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Finding the Fourth Proportional to 603.81, 905.70 and 193.23

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Solution

The fourth proportional to 603.81, 905.70 and 193.23 is: 289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.81 : 905.70 = 193.23 : x
  2. Step 2: Convert to fraction form
    603.81/905.70 = 193.23/x
  3. Step 3: Cross multiply
    603.81x = 905.70 × 193.23
  4. Step 4: Simplify right side
    603.81x = 175,008.41
  5. Step 5: Solve for x
    x = 175,008.41/603.81
  6. Step 6: Final answer
    x = 289.84

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