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Finding the Fourth Proportional to 1,348.63, 2,022.87 and 568.30

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Solution

The fourth proportional to 1,348.63, 2,022.87 and 568.30 is: 852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.63 : 2,022.87 = 568.30 : x
  2. Step 2: Convert to fraction form
    1,348.63/2,022.87 = 568.30/x
  3. Step 3: Cross multiply
    1,348.63x = 2,022.87 × 568.30
  4. Step 4: Simplify right side
    1,348.63x = 1,149,597.02
  5. Step 5: Solve for x
    x = 1,149,597.02/1,348.63
  6. Step 6: Final answer
    x = 852.42

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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.