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Finding the Fourth Proportional to 624.23, 936.35 and 213.37

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Solution

The fourth proportional to 624.23, 936.35 and 213.37 is: 320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.23 : 936.35 = 213.37 : x
  2. Step 2: Convert to fraction form
    624.23/936.35 = 213.37/x
  3. Step 3: Cross multiply
    624.23x = 936.35 × 213.37
  4. Step 4: Simplify right side
    624.23x = 199,789.00
  5. Step 5: Solve for x
    x = 199,789.00/624.23
  6. Step 6: Final answer
    x = 320.06

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Similar ratio
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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.