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Finding the Fourth Proportional to 652.22, 978.47 and 190

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Solution

The fourth proportional to 652.22, 978.47 and 190 is: 285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.22 : 978.47 = 190 : x
  2. Step 2: Convert to fraction form
    652.22/978.47 = 190/x
  3. Step 3: Cross multiply
    652.22x = 978.47 × 190
  4. Step 4: Simplify right side
    652.22x = 185,909.30
  5. Step 5: Solve for x
    x = 185,909.30/652.22
  6. Step 6: Final answer
    x = 285.04

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