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Finding the Fourth Proportional to 459.04, 688.56 and 134.42

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Solution

The fourth proportional to 459.04, 688.56 and 134.42 is: 201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.04 : 688.56 = 134.42 : x
  2. Step 2: Convert to fraction form
    459.04/688.56 = 134.42/x
  3. Step 3: Cross multiply
    459.04x = 688.56 × 134.42
  4. Step 4: Simplify right side
    459.04x = 92,556.24
  5. Step 5: Solve for x
    x = 92,556.24/459.04
  6. Step 6: Final answer
    x = 201.63

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