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Finding the Fourth Proportional to 176.22, 263.88 and 118.38

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Solution

The fourth proportional to 176.22, 263.88 and 118.38 is: 177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.22 : 263.88 = 118.38 : x
  2. Step 2: Convert to fraction form
    176.22/263.88 = 118.38/x
  3. Step 3: Cross multiply
    176.22x = 263.88 × 118.38
  4. Step 4: Simplify right side
    176.22x = 31,238.11
  5. Step 5: Solve for x
    x = 31,238.11/176.22
  6. Step 6: Final answer
    x = 177.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.