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Finding the Fourth Proportional to 458.04, 686.85 and 183.90

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Solution

The fourth proportional to 458.04, 686.85 and 183.90 is: 275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.04 : 686.85 = 183.90 : x
  2. Step 2: Convert to fraction form
    458.04/686.85 = 183.90/x
  3. Step 3: Cross multiply
    458.04x = 686.85 × 183.90
  4. Step 4: Simplify right side
    458.04x = 126,311.72
  5. Step 5: Solve for x
    x = 126,311.72/458.04
  6. Step 6: Final answer
    x = 275.77

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