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Finding the Fourth Proportional to 369.47, 554.24 and 164.21

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Solution

The fourth proportional to 369.47, 554.24 and 164.21 is: 246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.47 : 554.24 = 164.21 : x
  2. Step 2: Convert to fraction form
    369.47/554.24 = 164.21/x
  3. Step 3: Cross multiply
    369.47x = 554.24 × 164.21
  4. Step 4: Simplify right side
    369.47x = 91,009.39
  5. Step 5: Solve for x
    x = 91,009.39/369.47
  6. Step 6: Final answer
    x = 246.32

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