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Finding the Fourth Proportional to 604.35, 833.87 and 383.22

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Solution

The fourth proportional to 604.35, 833.87 and 383.22 is: 528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.35 : 833.87 = 383.22 : x
  2. Step 2: Convert to fraction form
    604.35/833.87 = 383.22/x
  3. Step 3: Cross multiply
    604.35x = 833.87 × 383.22
  4. Step 4: Simplify right side
    604.35x = 319,555.66
  5. Step 5: Solve for x
    x = 319,555.66/604.35
  6. Step 6: Final answer
    x = 528.76

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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.