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Finding the Fourth Proportional to 202.77, 304.76 and 166.93

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Solution

The fourth proportional to 202.77, 304.76 and 166.93 is: 250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.77 : 304.76 = 166.93 : x
  2. Step 2: Convert to fraction form
    202.77/304.76 = 166.93/x
  3. Step 3: Cross multiply
    202.77x = 304.76 × 166.93
  4. Step 4: Simplify right side
    202.77x = 50,873.24
  5. Step 5: Solve for x
    x = 50,873.24/202.77
  6. Step 6: Final answer
    x = 250.89

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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.