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Finding the Fourth Proportional to 581.43, 871.93 and 234.57

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Solution

The fourth proportional to 581.43, 871.93 and 234.57 is: 351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.43 : 871.93 = 234.57 : x
  2. Step 2: Convert to fraction form
    581.43/871.93 = 234.57/x
  3. Step 3: Cross multiply
    581.43x = 871.93 × 234.57
  4. Step 4: Simplify right side
    581.43x = 204,530.72
  5. Step 5: Solve for x
    x = 204,530.72/581.43
  6. Step 6: Final answer
    x = 351.77

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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.