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Finding the Fourth Proportional to 369.79, 554.55 and 153.25

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Solution

The fourth proportional to 369.79, 554.55 and 153.25 is: 229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.79 : 554.55 = 153.25 : x
  2. Step 2: Convert to fraction form
    369.79/554.55 = 153.25/x
  3. Step 3: Cross multiply
    369.79x = 554.55 × 153.25
  4. Step 4: Simplify right side
    369.79x = 84,984.79
  5. Step 5: Solve for x
    x = 84,984.79/369.79
  6. Step 6: Final answer
    x = 229.82

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