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Finding the Fourth Proportional to 44.96, 67.01 and 42.93

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Solution

The fourth proportional to 44.96, 67.01 and 42.93 is: 63.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.96 : 67.01 = 42.93 : x
  2. Step 2: Convert to fraction form
    44.96/67.01 = 42.93/x
  3. Step 3: Cross multiply
    44.96x = 67.01 × 42.93
  4. Step 4: Simplify right side
    44.96x = 2,876.52
  5. Step 5: Solve for x
    x = 2,876.52/44.96
  6. Step 6: Final answer
    x = 63.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.