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Finding the Fourth Proportional to 583.43, 875.25 and 198.68

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Solution

The fourth proportional to 583.43, 875.25 and 198.68 is: 298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.43 : 875.25 = 198.68 : x
  2. Step 2: Convert to fraction form
    583.43/875.25 = 198.68/x
  3. Step 3: Cross multiply
    583.43x = 875.25 × 198.68
  4. Step 4: Simplify right side
    583.43x = 173,890.29
  5. Step 5: Solve for x
    x = 173,890.29/583.43
  6. Step 6: Final answer
    x = 298.05

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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.