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Finding the Fourth Proportional to 413.92, 622.32 and 341.92

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Solution

The fourth proportional to 413.92, 622.32 and 341.92 is: 514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.92 : 622.32 = 341.92 : x
  2. Step 2: Convert to fraction form
    413.92/622.32 = 341.92/x
  3. Step 3: Cross multiply
    413.92x = 622.32 × 341.92
  4. Step 4: Simplify right side
    413.92x = 212,783.65
  5. Step 5: Solve for x
    x = 212,783.65/413.92
  6. Step 6: Final answer
    x = 514.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.