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Finding the Fourth Proportional to 202.66, 304.16 and 201.14

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Solution

The fourth proportional to 202.66, 304.16 and 201.14 is: 301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.66 : 304.16 = 201.14 : x
  2. Step 2: Convert to fraction form
    202.66/304.16 = 201.14/x
  3. Step 3: Cross multiply
    202.66x = 304.16 × 201.14
  4. Step 4: Simplify right side
    202.66x = 61,178.74
  5. Step 5: Solve for x
    x = 61,178.74/202.66
  6. Step 6: Final answer
    x = 301.88

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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.