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Finding the Fourth Proportional to 637.56, 961.29 and 583.56

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Solution

The fourth proportional to 637.56, 961.29 and 583.56 is: 879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.56 : 961.29 = 583.56 : x
  2. Step 2: Convert to fraction form
    637.56/961.29 = 583.56/x
  3. Step 3: Cross multiply
    637.56x = 961.29 × 583.56
  4. Step 4: Simplify right side
    637.56x = 560,970.39
  5. Step 5: Solve for x
    x = 560,970.39/637.56
  6. Step 6: Final answer
    x = 879.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.