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Finding the Fourth Proportional to 587.79, 881.69 and 197.72

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Solution

The fourth proportional to 587.79, 881.69 and 197.72 is: 296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.79 : 881.69 = 197.72 : x
  2. Step 2: Convert to fraction form
    587.79/881.69 = 197.72/x
  3. Step 3: Cross multiply
    587.79x = 881.69 × 197.72
  4. Step 4: Simplify right side
    587.79x = 174,325.66
  5. Step 5: Solve for x
    x = 174,325.66/587.79
  6. Step 6: Final answer
    x = 296.58

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