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Finding the Fourth Proportional to 296.10, 443.91 and 133.68

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Solution

The fourth proportional to 296.10, 443.91 and 133.68 is: 200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.10 : 443.91 = 133.68 : x
  2. Step 2: Convert to fraction form
    296.10/443.91 = 133.68/x
  3. Step 3: Cross multiply
    296.10x = 443.91 × 133.68
  4. Step 4: Simplify right side
    296.10x = 59,341.89
  5. Step 5: Solve for x
    x = 59,341.89/296.10
  6. Step 6: Final answer
    x = 200.41

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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.