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Finding the Fourth Proportional to 614.75, 921.90 and 203.77

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Solution

The fourth proportional to 614.75, 921.90 and 203.77 is: 305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.75 : 921.90 = 203.77 : x
  2. Step 2: Convert to fraction form
    614.75/921.90 = 203.77/x
  3. Step 3: Cross multiply
    614.75x = 921.90 × 203.77
  4. Step 4: Simplify right side
    614.75x = 187,855.56
  5. Step 5: Solve for x
    x = 187,855.56/614.75
  6. Step 6: Final answer
    x = 305.58

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