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Finding the Fourth Proportional to 837.00, 1,255.33 and 615.56

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Solution

The fourth proportional to 837.00, 1,255.33 and 615.56 is: 923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.00 : 1,255.33 = 615.56 : x
  2. Step 2: Convert to fraction form
    837.00/1,255.33 = 615.56/x
  3. Step 3: Cross multiply
    837.00x = 1,255.33 × 615.56
  4. Step 4: Simplify right side
    837.00x = 772,736.89
  5. Step 5: Solve for x
    x = 772,736.89/837.00
  6. Step 6: Final answer
    x = 923.23

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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.