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Finding the Fourth Proportional to 276.32, 413.88 and 184.59

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Solution

The fourth proportional to 276.32, 413.88 and 184.59 is: 276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.32 : 413.88 = 184.59 : x
  2. Step 2: Convert to fraction form
    276.32/413.88 = 184.59/x
  3. Step 3: Cross multiply
    276.32x = 413.88 × 184.59
  4. Step 4: Simplify right side
    276.32x = 76,397.19
  5. Step 5: Solve for x
    x = 76,397.19/276.32
  6. Step 6: Final answer
    x = 276.48

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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.