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Finding the Fourth Proportional to 292.20, 437.82 and 183.78

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Solution

The fourth proportional to 292.20, 437.82 and 183.78 is: 275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.20 : 437.82 = 183.78 : x
  2. Step 2: Convert to fraction form
    292.20/437.82 = 183.78/x
  3. Step 3: Cross multiply
    292.20x = 437.82 × 183.78
  4. Step 4: Simplify right side
    292.20x = 80,462.56
  5. Step 5: Solve for x
    x = 80,462.56/292.20
  6. Step 6: Final answer
    x = 275.37

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