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Finding the Fourth Proportional to 38.01, 57.03 and 32.16

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Solution

The fourth proportional to 38.01, 57.03 and 32.16 is: 48.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.01 : 57.03 = 32.16 : x
  2. Step 2: Convert to fraction form
    38.01/57.03 = 32.16/x
  3. Step 3: Cross multiply
    38.01x = 57.03 × 32.16
  4. Step 4: Simplify right side
    38.01x = 1,834.08
  5. Step 5: Solve for x
    x = 1,834.08/38.01
  6. Step 6: Final answer
    x = 48.25

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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.