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Finding the Fourth Proportional to 202.85, 304.37 and 106.66

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Solution

The fourth proportional to 202.85, 304.37 and 106.66 is: 160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.85 : 304.37 = 106.66 : x
  2. Step 2: Convert to fraction form
    202.85/304.37 = 106.66/x
  3. Step 3: Cross multiply
    202.85x = 304.37 × 106.66
  4. Step 4: Simplify right side
    202.85x = 32,464.10
  5. Step 5: Solve for x
    x = 32,464.10/202.85
  6. Step 6: Final answer
    x = 160.04

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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.