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Finding the Fourth Proportional to 148.62, 223 and 45.92

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Solution

The fourth proportional to 148.62, 223 and 45.92 is: 68.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.62 : 223 = 45.92 : x
  2. Step 2: Convert to fraction form
    148.62/223 = 45.92/x
  3. Step 3: Cross multiply
    148.62x = 223 × 45.92
  4. Step 4: Simplify right side
    148.62x = 10,240.16
  5. Step 5: Solve for x
    x = 10,240.16/148.62
  6. Step 6: Final answer
    x = 68.90

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