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Finding the Fourth Proportional to 558.10, 836.96 and 233.38

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Solution

The fourth proportional to 558.10, 836.96 and 233.38 is: 349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.10 : 836.96 = 233.38 : x
  2. Step 2: Convert to fraction form
    558.10/836.96 = 233.38/x
  3. Step 3: Cross multiply
    558.10x = 836.96 × 233.38
  4. Step 4: Simplify right side
    558.10x = 195,325.54
  5. Step 5: Solve for x
    x = 195,325.54/558.10
  6. Step 6: Final answer
    x = 349.99

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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.