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Finding the Fourth Proportional to 281.94, 389.04 and 237.52

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Solution

The fourth proportional to 281.94, 389.04 and 237.52 is: 327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.94 : 389.04 = 237.52 : x
  2. Step 2: Convert to fraction form
    281.94/389.04 = 237.52/x
  3. Step 3: Cross multiply
    281.94x = 389.04 × 237.52
  4. Step 4: Simplify right side
    281.94x = 92,402.84
  5. Step 5: Solve for x
    x = 92,402.84/281.94
  6. Step 6: Final answer
    x = 327.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.