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Finding the Fourth Proportional to 46.38, 63.97 and 29.99

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Solution

The fourth proportional to 46.38, 63.97 and 29.99 is: 41.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.38 : 63.97 = 29.99 : x
  2. Step 2: Convert to fraction form
    46.38/63.97 = 29.99/x
  3. Step 3: Cross multiply
    46.38x = 63.97 × 29.99
  4. Step 4: Simplify right side
    46.38x = 1,918.19
  5. Step 5: Solve for x
    x = 1,918.19/46.38
  6. Step 6: Final answer
    x = 41.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.