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Finding the Fourth Proportional to 413.01, 569.31 and 324.27

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Solution

The fourth proportional to 413.01, 569.31 and 324.27 is: 446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.01 : 569.31 = 324.27 : x
  2. Step 2: Convert to fraction form
    413.01/569.31 = 324.27/x
  3. Step 3: Cross multiply
    413.01x = 569.31 × 324.27
  4. Step 4: Simplify right side
    413.01x = 184,610.15
  5. Step 5: Solve for x
    x = 184,610.15/413.01
  6. Step 6: Final answer
    x = 446.99

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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.