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Finding the Fourth Proportional to 581.28, 871.93 and 148.44

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Solution

The fourth proportional to 581.28, 871.93 and 148.44 is: 222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.28 : 871.93 = 148.44 : x
  2. Step 2: Convert to fraction form
    581.28/871.93 = 148.44/x
  3. Step 3: Cross multiply
    581.28x = 871.93 × 148.44
  4. Step 4: Simplify right side
    581.28x = 129,427.84
  5. Step 5: Solve for x
    x = 129,427.84/581.28
  6. Step 6: Final answer
    x = 222.66

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