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Finding the Fourth Proportional to 202.67, 302.04 and 198.62

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Solution

The fourth proportional to 202.67, 302.04 and 198.62 is: 296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.67 : 302.04 = 198.62 : x
  2. Step 2: Convert to fraction form
    202.67/302.04 = 198.62/x
  3. Step 3: Cross multiply
    202.67x = 302.04 × 198.62
  4. Step 4: Simplify right side
    202.67x = 59,991.18
  5. Step 5: Solve for x
    x = 59,991.18/202.67
  6. Step 6: Final answer
    x = 296.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.