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Finding the Fourth Proportional to 179.85, 249.47 and 175.11

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Solution

The fourth proportional to 179.85, 249.47 and 175.11 is: 242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.85 : 249.47 = 175.11 : x
  2. Step 2: Convert to fraction form
    179.85/249.47 = 175.11/x
  3. Step 3: Cross multiply
    179.85x = 249.47 × 175.11
  4. Step 4: Simplify right side
    179.85x = 43,683.82
  5. Step 5: Solve for x
    x = 43,683.82/179.85
  6. Step 6: Final answer
    x = 242.89

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.