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Finding the Fourth Proportional to 174.99, 262.39 and 53.22

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Solution

The fourth proportional to 174.99, 262.39 and 53.22 is: 79.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.99 : 262.39 = 53.22 : x
  2. Step 2: Convert to fraction form
    174.99/262.39 = 53.22/x
  3. Step 3: Cross multiply
    174.99x = 262.39 × 53.22
  4. Step 4: Simplify right side
    174.99x = 13,964.40
  5. Step 5: Solve for x
    x = 13,964.40/174.99
  6. Step 6: Final answer
    x = 79.80

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