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Finding the Fourth Proportional to 604.20, 833.74 and 351.94

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Solution

The fourth proportional to 604.20, 833.74 and 351.94 is: 485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.20 : 833.74 = 351.94 : x
  2. Step 2: Convert to fraction form
    604.20/833.74 = 351.94/x
  3. Step 3: Cross multiply
    604.20x = 833.74 × 351.94
  4. Step 4: Simplify right side
    604.20x = 293,426.46
  5. Step 5: Solve for x
    x = 293,426.46/604.20
  6. Step 6: Final answer
    x = 485.64

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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.