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Finding the Fourth Proportional to 413.01, 569.82 and 395.04

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Solution

The fourth proportional to 413.01, 569.82 and 395.04 is: 545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.01 : 569.82 = 395.04 : x
  2. Step 2: Convert to fraction form
    413.01/569.82 = 395.04/x
  3. Step 3: Cross multiply
    413.01x = 569.82 × 395.04
  4. Step 4: Simplify right side
    413.01x = 225,101.69
  5. Step 5: Solve for x
    x = 225,101.69/413.01
  6. Step 6: Final answer
    x = 545.03

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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.