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Finding the Fourth Proportional to 262.72, 362.55 and 146.29

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Solution

The fourth proportional to 262.72, 362.55 and 146.29 is: 201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.72 : 362.55 = 146.29 : x
  2. Step 2: Convert to fraction form
    262.72/362.55 = 146.29/x
  3. Step 3: Cross multiply
    262.72x = 362.55 × 146.29
  4. Step 4: Simplify right side
    262.72x = 53,037.44
  5. Step 5: Solve for x
    x = 53,037.44/262.72
  6. Step 6: Final answer
    x = 201.88

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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.