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Finding the Fourth Proportional to 652.54, 978 and 323.13

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Solution

The fourth proportional to 652.54, 978 and 323.13 is: 484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.54 : 978 = 323.13 : x
  2. Step 2: Convert to fraction form
    652.54/978 = 323.13/x
  3. Step 3: Cross multiply
    652.54x = 978 × 323.13
  4. Step 4: Simplify right side
    652.54x = 316,021.14
  5. Step 5: Solve for x
    x = 316,021.14/652.54
  6. Step 6: Final answer
    x = 484.29

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