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Finding the Fourth Proportional to 32.94, 45.49 and 32.71

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Solution

The fourth proportional to 32.94, 45.49 and 32.71 is: 45.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.94 : 45.49 = 32.71 : x
  2. Step 2: Convert to fraction form
    32.94/45.49 = 32.71/x
  3. Step 3: Cross multiply
    32.94x = 45.49 × 32.71
  4. Step 4: Simplify right side
    32.94x = 1,488.01
  5. Step 5: Solve for x
    x = 1,488.01/32.94
  6. Step 6: Final answer
    x = 45.18

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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.