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Finding the Fourth Proportional to 413.03, 614.22 and 400.05

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Solution

The fourth proportional to 413.03, 614.22 and 400.05 is: 594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.03 : 614.22 = 400.05 : x
  2. Step 2: Convert to fraction form
    413.03/614.22 = 400.05/x
  3. Step 3: Cross multiply
    413.03x = 614.22 × 400.05
  4. Step 4: Simplify right side
    413.03x = 245,718.71
  5. Step 5: Solve for x
    x = 245,718.71/413.03
  6. Step 6: Final answer
    x = 594.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.