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Finding the Fourth Proportional to 296.43, 444.26 and 122.90

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Solution

The fourth proportional to 296.43, 444.26 and 122.90 is: 184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.43 : 444.26 = 122.90 : x
  2. Step 2: Convert to fraction form
    296.43/444.26 = 122.90/x
  3. Step 3: Cross multiply
    296.43x = 444.26 × 122.90
  4. Step 4: Simplify right side
    296.43x = 54,599.55
  5. Step 5: Solve for x
    x = 54,599.55/296.43
  6. Step 6: Final answer
    x = 184.19

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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.