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Finding the Fourth Proportional to 504.44, 758.34 and 413.81

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Solution

The fourth proportional to 504.44, 758.34 and 413.81 is: 622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.44 : 758.34 = 413.81 : x
  2. Step 2: Convert to fraction form
    504.44/758.34 = 413.81/x
  3. Step 3: Cross multiply
    504.44x = 758.34 × 413.81
  4. Step 4: Simplify right side
    504.44x = 313,808.68
  5. Step 5: Solve for x
    x = 313,808.68/504.44
  6. Step 6: Final answer
    x = 622.09

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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.