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Finding the Fourth Proportional to 191.18, 263.85 and 179.45

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Solution

The fourth proportional to 191.18, 263.85 and 179.45 is: 247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.18 : 263.85 = 179.45 : x
  2. Step 2: Convert to fraction form
    191.18/263.85 = 179.45/x
  3. Step 3: Cross multiply
    191.18x = 263.85 × 179.45
  4. Step 4: Simplify right side
    191.18x = 47,347.89
  5. Step 5: Solve for x
    x = 47,347.89/191.18
  6. Step 6: Final answer
    x = 247.67

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