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Finding the Fourth Proportional to 564.22, 846.39 and 239.62

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Solution

The fourth proportional to 564.22, 846.39 and 239.62 is: 359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.22 : 846.39 = 239.62 : x
  2. Step 2: Convert to fraction form
    564.22/846.39 = 239.62/x
  3. Step 3: Cross multiply
    564.22x = 846.39 × 239.62
  4. Step 4: Simplify right side
    564.22x = 202,811.97
  5. Step 5: Solve for x
    x = 202,811.97/564.22
  6. Step 6: Final answer
    x = 359.46

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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.