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Finding the Fourth Proportional to 558.73, 837.82 and 193.42

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Solution

The fourth proportional to 558.73, 837.82 and 193.42 is: 290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.73 : 837.82 = 193.42 : x
  2. Step 2: Convert to fraction form
    558.73/837.82 = 193.42/x
  3. Step 3: Cross multiply
    558.73x = 837.82 × 193.42
  4. Step 4: Simplify right side
    558.73x = 162,051.14
  5. Step 5: Solve for x
    x = 162,051.14/558.73
  6. Step 6: Final answer
    x = 290.03

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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.