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Finding the Fourth Proportional to 1,348.01, 2,020.51 and 567.78

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Solution

The fourth proportional to 1,348.01, 2,020.51 and 567.78 is: 851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.01 : 2,020.51 = 567.78 : x
  2. Step 2: Convert to fraction form
    1,348.01/2,020.51 = 567.78/x
  3. Step 3: Cross multiply
    1,348.01x = 2,020.51 × 567.78
  4. Step 4: Simplify right side
    1,348.01x = 1,147,205.17
  5. Step 5: Solve for x
    x = 1,147,205.17/1,348.01
  6. Step 6: Final answer
    x = 851.04

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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.