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Finding the Fourth Proportional to 292.41, 438.13 and 246.73

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Solution

The fourth proportional to 292.41, 438.13 and 246.73 is: 369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.41 : 438.13 = 246.73 : x
  2. Step 2: Convert to fraction form
    292.41/438.13 = 246.73/x
  3. Step 3: Cross multiply
    292.41x = 438.13 × 246.73
  4. Step 4: Simplify right side
    292.41x = 108,099.81
  5. Step 5: Solve for x
    x = 108,099.81/292.41
  6. Step 6: Final answer
    x = 369.69

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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.