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Finding the Fourth Proportional to 558.24, 837.80 and 233.62

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Solution

The fourth proportional to 558.24, 837.80 and 233.62 is: 350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.24 : 837.80 = 233.62 : x
  2. Step 2: Convert to fraction form
    558.24/837.80 = 233.62/x
  3. Step 3: Cross multiply
    558.24x = 837.80 × 233.62
  4. Step 4: Simplify right side
    558.24x = 195,726.84
  5. Step 5: Solve for x
    x = 195,726.84/558.24
  6. Step 6: Final answer
    x = 350.61

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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.