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Finding the Fourth Proportional to 413.16, 619.48 and 250.60

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Solution

The fourth proportional to 413.16, 619.48 and 250.60 is: 375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.16 : 619.48 = 250.60 : x
  2. Step 2: Convert to fraction form
    413.16/619.48 = 250.60/x
  3. Step 3: Cross multiply
    413.16x = 619.48 × 250.60
  4. Step 4: Simplify right side
    413.16x = 155,241.69
  5. Step 5: Solve for x
    x = 155,241.69/413.16
  6. Step 6: Final answer
    x = 375.74

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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.