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Finding the Fourth Proportional to 461.85, 692.29 and 187.75

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Solution

The fourth proportional to 461.85, 692.29 and 187.75 is: 281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.85 : 692.29 = 187.75 : x
  2. Step 2: Convert to fraction form
    461.85/692.29 = 187.75/x
  3. Step 3: Cross multiply
    461.85x = 692.29 × 187.75
  4. Step 4: Simplify right side
    461.85x = 129,977.45
  5. Step 5: Solve for x
    x = 129,977.45/461.85
  6. Step 6: Final answer
    x = 281.43

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