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Finding the Fourth Proportional to 622.57, 933.45 and 403.33

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Solution

The fourth proportional to 622.57, 933.45 and 403.33 is: 604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.57 : 933.45 = 403.33 : x
  2. Step 2: Convert to fraction form
    622.57/933.45 = 403.33/x
  3. Step 3: Cross multiply
    622.57x = 933.45 × 403.33
  4. Step 4: Simplify right side
    622.57x = 376,488.39
  5. Step 5: Solve for x
    x = 376,488.39/622.57
  6. Step 6: Final answer
    x = 604.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.