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Finding the Fourth Proportional to 848.52, 1,273.82 and 571.10

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Solution

The fourth proportional to 848.52, 1,273.82 and 571.10 is: 857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.52 : 1,273.82 = 571.10 : x
  2. Step 2: Convert to fraction form
    848.52/1,273.82 = 571.10/x
  3. Step 3: Cross multiply
    848.52x = 1,273.82 × 571.10
  4. Step 4: Simplify right side
    848.52x = 727,469.38
  5. Step 5: Solve for x
    x = 727,469.38/848.52
  6. Step 6: Final answer
    x = 857.34

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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.