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Finding the Fourth Proportional to 202.19, 303.41 and 93.98

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Solution

The fourth proportional to 202.19, 303.41 and 93.98 is: 141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.19 : 303.41 = 93.98 : x
  2. Step 2: Convert to fraction form
    202.19/303.41 = 93.98/x
  3. Step 3: Cross multiply
    202.19x = 303.41 × 93.98
  4. Step 4: Simplify right side
    202.19x = 28,515.47
  5. Step 5: Solve for x
    x = 28,515.47/202.19
  6. Step 6: Final answer
    x = 141.04

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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.