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Finding the Fourth Proportional to 413.04, 569.87 and 255.70

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Solution

The fourth proportional to 413.04, 569.87 and 255.70 is: 352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.04 : 569.87 = 255.70 : x
  2. Step 2: Convert to fraction form
    413.04/569.87 = 255.70/x
  3. Step 3: Cross multiply
    413.04x = 569.87 × 255.70
  4. Step 4: Simplify right side
    413.04x = 145,715.76
  5. Step 5: Solve for x
    x = 145,715.76/413.04
  6. Step 6: Final answer
    x = 352.79

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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.