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Finding the Fourth Proportional to 848.97, 1,273.86 and 605.16

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Solution

The fourth proportional to 848.97, 1,273.86 and 605.16 is: 908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.97 : 1,273.86 = 605.16 : x
  2. Step 2: Convert to fraction form
    848.97/1,273.86 = 605.16/x
  3. Step 3: Cross multiply
    848.97x = 1,273.86 × 605.16
  4. Step 4: Simplify right side
    848.97x = 770,889.12
  5. Step 5: Solve for x
    x = 770,889.12/848.97
  6. Step 6: Final answer
    x = 908.03

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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.