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Finding the Fourth Proportional to 481.95, 719.63 and 413.37

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Solution

The fourth proportional to 481.95, 719.63 and 413.37 is: 617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.95 : 719.63 = 413.37 : x
  2. Step 2: Convert to fraction form
    481.95/719.63 = 413.37/x
  3. Step 3: Cross multiply
    481.95x = 719.63 × 413.37
  4. Step 4: Simplify right side
    481.95x = 297,471.39
  5. Step 5: Solve for x
    x = 297,471.39/481.95
  6. Step 6: Final answer
    x = 617.22

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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.