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Finding the Fourth Proportional to 413.02, 569.97 and 226.51

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Solution

The fourth proportional to 413.02, 569.97 and 226.51 is: 312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.02 : 569.97 = 226.51 : x
  2. Step 2: Convert to fraction form
    413.02/569.97 = 226.51/x
  3. Step 3: Cross multiply
    413.02x = 569.97 × 226.51
  4. Step 4: Simplify right side
    413.02x = 129,103.90
  5. Step 5: Solve for x
    x = 129,103.90/413.02
  6. Step 6: Final answer
    x = 312.59

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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.