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Finding the Fourth Proportional to 566.28, 849.60 and 422.28

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Solution

The fourth proportional to 566.28, 849.60 and 422.28 is: 633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.28 : 849.60 = 422.28 : x
  2. Step 2: Convert to fraction form
    566.28/849.60 = 422.28/x
  3. Step 3: Cross multiply
    566.28x = 849.60 × 422.28
  4. Step 4: Simplify right side
    566.28x = 358,769.09
  5. Step 5: Solve for x
    x = 358,769.09/566.28
  6. Step 6: Final answer
    x = 633.55

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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.