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Finding the Fourth Proportional to 25.02, 38.02 and 25.02

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Solution

The fourth proportional to 25.02, 38.02 and 25.02 is: 38.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.02 : 38.02 = 25.02 : x
  2. Step 2: Convert to fraction form
    25.02/38.02 = 25.02/x
  3. Step 3: Cross multiply
    25.02x = 38.02 × 25.02
  4. Step 4: Simplify right side
    25.02x = 951.26
  5. Step 5: Solve for x
    x = 951.26/25.02
  6. Step 6: Final answer
    x = 38.02

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.