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Finding the Fourth Proportional to 296.43, 444.44 and 142.32

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Solution

The fourth proportional to 296.43, 444.44 and 142.32 is: 213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.43 : 444.44 = 142.32 : x
  2. Step 2: Convert to fraction form
    296.43/444.44 = 142.32/x
  3. Step 3: Cross multiply
    296.43x = 444.44 × 142.32
  4. Step 4: Simplify right side
    296.43x = 63,251.99
  5. Step 5: Solve for x
    x = 63,251.99/296.43
  6. Step 6: Final answer
    x = 213.38

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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.