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Finding the Fourth Proportional to 558.14, 837.19 and 229.07

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Solution

The fourth proportional to 558.14, 837.19 and 229.07 is: 343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.14 : 837.19 = 229.07 : x
  2. Step 2: Convert to fraction form
    558.14/837.19 = 229.07/x
  3. Step 3: Cross multiply
    558.14x = 837.19 × 229.07
  4. Step 4: Simplify right side
    558.14x = 191,769.78
  5. Step 5: Solve for x
    x = 191,769.78/558.14
  6. Step 6: Final answer
    x = 343.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.