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Finding the Fourth Proportional to 604.07, 833.22 and 479.54

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Solution

The fourth proportional to 604.07, 833.22 and 479.54 is: 661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.07 : 833.22 = 479.54 : x
  2. Step 2: Convert to fraction form
    604.07/833.22 = 479.54/x
  3. Step 3: Cross multiply
    604.07x = 833.22 × 479.54
  4. Step 4: Simplify right side
    604.07x = 399,558.15
  5. Step 5: Solve for x
    x = 399,558.15/604.07
  6. Step 6: Final answer
    x = 661.44

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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.