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Finding the Fourth Proportional to 408.03, 562.95 and 233.34

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Solution

The fourth proportional to 408.03, 562.95 and 233.34 is: 321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.03 : 562.95 = 233.34 : x
  2. Step 2: Convert to fraction form
    408.03/562.95 = 233.34/x
  3. Step 3: Cross multiply
    408.03x = 562.95 × 233.34
  4. Step 4: Simplify right side
    408.03x = 131,358.75
  5. Step 5: Solve for x
    x = 131,358.75/408.03
  6. Step 6: Final answer
    x = 321.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.