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Finding the Fourth Proportional to 624.11, 936.21 and 179.37

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Solution

The fourth proportional to 624.11, 936.21 and 179.37 is: 269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.11 : 936.21 = 179.37 : x
  2. Step 2: Convert to fraction form
    624.11/936.21 = 179.37/x
  3. Step 3: Cross multiply
    624.11x = 936.21 × 179.37
  4. Step 4: Simplify right side
    624.11x = 167,930.45
  5. Step 5: Solve for x
    x = 167,930.45/624.11
  6. Step 6: Final answer
    x = 269.07

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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.