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Finding the Fourth Proportional to 523.93, 785.58 and 198.94

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Solution

The fourth proportional to 523.93, 785.58 and 198.94 is: 298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.93 : 785.58 = 198.94 : x
  2. Step 2: Convert to fraction form
    523.93/785.58 = 198.94/x
  3. Step 3: Cross multiply
    523.93x = 785.58 × 198.94
  4. Step 4: Simplify right side
    523.93x = 156,283.29
  5. Step 5: Solve for x
    x = 156,283.29/523.93
  6. Step 6: Final answer
    x = 298.29

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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.