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Finding the Fourth Proportional to 564.22, 846.51 and 199

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Solution

The fourth proportional to 564.22, 846.51 and 199 is: 298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.22 : 846.51 = 199 : x
  2. Step 2: Convert to fraction form
    564.22/846.51 = 199/x
  3. Step 3: Cross multiply
    564.22x = 846.51 × 199
  4. Step 4: Simplify right side
    564.22x = 168,455.49
  5. Step 5: Solve for x
    x = 168,455.49/564.22
  6. Step 6: Final answer
    x = 298.56

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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.