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Finding the Fourth Proportional to 33.17, 49.45 and 32.63

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Solution

The fourth proportional to 33.17, 49.45 and 32.63 is: 48.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.17 : 49.45 = 32.63 : x
  2. Step 2: Convert to fraction form
    33.17/49.45 = 32.63/x
  3. Step 3: Cross multiply
    33.17x = 49.45 × 32.63
  4. Step 4: Simplify right side
    33.17x = 1,613.39
  5. Step 5: Solve for x
    x = 1,613.39/33.17
  6. Step 6: Final answer
    x = 48.64

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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.