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Finding the Fourth Proportional to 461.91, 692.86 and 187.94

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Solution

The fourth proportional to 461.91, 692.86 and 187.94 is: 281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.91 : 692.86 = 187.94 : x
  2. Step 2: Convert to fraction form
    461.91/692.86 = 187.94/x
  3. Step 3: Cross multiply
    461.91x = 692.86 × 187.94
  4. Step 4: Simplify right side
    461.91x = 130,216.11
  5. Step 5: Solve for x
    x = 130,216.11/461.91
  6. Step 6: Final answer
    x = 281.91

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