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Finding the Fourth Proportional to 296.96, 445.44 and 134.63

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Solution

The fourth proportional to 296.96, 445.44 and 134.63 is: 201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.96 : 445.44 = 134.63 : x
  2. Step 2: Convert to fraction form
    296.96/445.44 = 134.63/x
  3. Step 3: Cross multiply
    296.96x = 445.44 × 134.63
  4. Step 4: Simplify right side
    296.96x = 59,967.36
  5. Step 5: Solve for x
    x = 59,967.36/296.96
  6. Step 6: Final answer
    x = 201.94

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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.