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Finding the Fourth Proportional to 413.00, 569.63 and 324.61

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Solution

The fourth proportional to 413.00, 569.63 and 324.61 is: 447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.00 : 569.63 = 324.61 : x
  2. Step 2: Convert to fraction form
    413.00/569.63 = 324.61/x
  3. Step 3: Cross multiply
    413.00x = 569.63 × 324.61
  4. Step 4: Simplify right side
    413.00x = 184,906.98
  5. Step 5: Solve for x
    x = 184,906.98/413.00
  6. Step 6: Final answer
    x = 447.72

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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.