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Finding the Fourth Proportional to 652.03, 978.36 and 286.77

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Solution

The fourth proportional to 652.03, 978.36 and 286.77 is: 430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.03 : 978.36 = 286.77 : x
  2. Step 2: Convert to fraction form
    652.03/978.36 = 286.77/x
  3. Step 3: Cross multiply
    652.03x = 978.36 × 286.77
  4. Step 4: Simplify right side
    652.03x = 280,564.30
  5. Step 5: Solve for x
    x = 280,564.30/652.03
  6. Step 6: Final answer
    x = 430.30

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