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Finding the Fourth Proportional to 848.73, 1,273.09 and 300.93

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Solution

The fourth proportional to 848.73, 1,273.09 and 300.93 is: 451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.73 : 1,273.09 = 300.93 : x
  2. Step 2: Convert to fraction form
    848.73/1,273.09 = 300.93/x
  3. Step 3: Cross multiply
    848.73x = 1,273.09 × 300.93
  4. Step 4: Simplify right side
    848.73x = 383,110.97
  5. Step 5: Solve for x
    x = 383,110.97/848.73
  6. Step 6: Final answer
    x = 451.39

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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.