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Finding the Fourth Proportional to 604.39, 833.93 and 383.41

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Solution

The fourth proportional to 604.39, 833.93 and 383.41 is: 529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.39 : 833.93 = 383.41 : x
  2. Step 2: Convert to fraction form
    604.39/833.93 = 383.41/x
  3. Step 3: Cross multiply
    604.39x = 833.93 × 383.41
  4. Step 4: Simplify right side
    604.39x = 319,735.97
  5. Step 5: Solve for x
    x = 319,735.97/604.39
  6. Step 6: Final answer
    x = 529.02

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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.