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Finding the Fourth Proportional to 365.04, 547.12 and 172.24

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Solution

The fourth proportional to 365.04, 547.12 and 172.24 is: 258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.04 : 547.12 = 172.24 : x
  2. Step 2: Convert to fraction form
    365.04/547.12 = 172.24/x
  3. Step 3: Cross multiply
    365.04x = 547.12 × 172.24
  4. Step 4: Simplify right side
    365.04x = 94,235.95
  5. Step 5: Solve for x
    x = 94,235.95/365.04
  6. Step 6: Final answer
    x = 258.15

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