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Finding the Fourth Proportional to 202.04, 302.43 and 141.02

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Solution

The fourth proportional to 202.04, 302.43 and 141.02 is: 211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.04 : 302.43 = 141.02 : x
  2. Step 2: Convert to fraction form
    202.04/302.43 = 141.02/x
  3. Step 3: Cross multiply
    202.04x = 302.43 × 141.02
  4. Step 4: Simplify right side
    202.04x = 42,648.68
  5. Step 5: Solve for x
    x = 42,648.68/202.04
  6. Step 6: Final answer
    x = 211.09

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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.