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Finding the Fourth Proportional to 404.67, 606.95 and 130.73

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Solution

The fourth proportional to 404.67, 606.95 and 130.73 is: 196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.67 : 606.95 = 130.73 : x
  2. Step 2: Convert to fraction form
    404.67/606.95 = 130.73/x
  3. Step 3: Cross multiply
    404.67x = 606.95 × 130.73
  4. Step 4: Simplify right side
    404.67x = 79,342.89
  5. Step 5: Solve for x
    x = 79,342.89/404.67
  6. Step 6: Final answer
    x = 196.07

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