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Finding the Fourth Proportional to 365.78, 549.75 and 173.54

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Solution

The fourth proportional to 365.78, 549.75 and 173.54 is: 260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.78 : 549.75 = 173.54 : x
  2. Step 2: Convert to fraction form
    365.78/549.75 = 173.54/x
  3. Step 3: Cross multiply
    365.78x = 549.75 × 173.54
  4. Step 4: Simplify right side
    365.78x = 95,405.64
  5. Step 5: Solve for x
    x = 95,405.64/365.78
  6. Step 6: Final answer
    x = 260.83

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