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Finding the Fourth Proportional to 558.15, 837 and 249.69

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Solution

The fourth proportional to 558.15, 837 and 249.69 is: 374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.15 : 837 = 249.69 : x
  2. Step 2: Convert to fraction form
    558.15/837 = 249.69/x
  3. Step 3: Cross multiply
    558.15x = 837 × 249.69
  4. Step 4: Simplify right side
    558.15x = 208,990.53
  5. Step 5: Solve for x
    x = 208,990.53/558.15
  6. Step 6: Final answer
    x = 374.43

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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.