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Finding the Fourth Proportional to 29.65, 44.48 and 9.36

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Solution

The fourth proportional to 29.65, 44.48 and 9.36 is: 14.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.65 : 44.48 = 9.36 : x
  2. Step 2: Convert to fraction form
    29.65/44.48 = 9.36/x
  3. Step 3: Cross multiply
    29.65x = 44.48 × 9.36
  4. Step 4: Simplify right side
    29.65x = 416.47
  5. Step 5: Solve for x
    x = 416.47/29.65
  6. Step 6: Final answer
    x = 14.05

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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.