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Finding the Fourth Proportional to 564.33, 846.60 and 239.73

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Solution

The fourth proportional to 564.33, 846.60 and 239.73 is: 359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.33 : 846.60 = 239.73 : x
  2. Step 2: Convert to fraction form
    564.33/846.60 = 239.73/x
  3. Step 3: Cross multiply
    564.33x = 846.60 × 239.73
  4. Step 4: Simplify right side
    564.33x = 202,955.42
  5. Step 5: Solve for x
    x = 202,955.42/564.33
  6. Step 6: Final answer
    x = 359.64

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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.