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Finding the Fourth Proportional to 413.08, 616.97 and 373.97

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Solution

The fourth proportional to 413.08, 616.97 and 373.97 is: 558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.08 : 616.97 = 373.97 : x
  2. Step 2: Convert to fraction form
    413.08/616.97 = 373.97/x
  3. Step 3: Cross multiply
    413.08x = 616.97 × 373.97
  4. Step 4: Simplify right side
    413.08x = 230,728.27
  5. Step 5: Solve for x
    x = 230,728.27/413.08
  6. Step 6: Final answer
    x = 558.56

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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.