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Finding the Fourth Proportional to 297.04, 444.88 and 274.56

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Solution

The fourth proportional to 297.04, 444.88 and 274.56 is: 411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.04 : 444.88 = 274.56 : x
  2. Step 2: Convert to fraction form
    297.04/444.88 = 274.56/x
  3. Step 3: Cross multiply
    297.04x = 444.88 × 274.56
  4. Step 4: Simplify right side
    297.04x = 122,146.25
  5. Step 5: Solve for x
    x = 122,146.25/297.04
  6. Step 6: Final answer
    x = 411.21

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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.