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Finding the Fourth Proportional to 624.27, 936.07 and 185.46

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Solution

The fourth proportional to 624.27, 936.07 and 185.46 is: 278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.27 : 936.07 = 185.46 : x
  2. Step 2: Convert to fraction form
    624.27/936.07 = 185.46/x
  3. Step 3: Cross multiply
    624.27x = 936.07 × 185.46
  4. Step 4: Simplify right side
    624.27x = 173,598.86
  5. Step 5: Solve for x
    x = 173,598.86/624.27
  6. Step 6: Final answer
    x = 278.09

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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.