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Finding the Fourth Proportional to 313.48, 467.87 and 276.94

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Solution

The fourth proportional to 313.48, 467.87 and 276.94 is: 413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.48 : 467.87 = 276.94 : x
  2. Step 2: Convert to fraction form
    313.48/467.87 = 276.94/x
  3. Step 3: Cross multiply
    313.48x = 467.87 × 276.94
  4. Step 4: Simplify right side
    313.48x = 129,571.92
  5. Step 5: Solve for x
    x = 129,571.92/313.48
  6. Step 6: Final answer
    x = 413.33

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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.