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Finding the Fourth Proportional to 245.62, 339.01 and 204.06

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Solution

The fourth proportional to 245.62, 339.01 and 204.06 is: 281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.62 : 339.01 = 204.06 : x
  2. Step 2: Convert to fraction form
    245.62/339.01 = 204.06/x
  3. Step 3: Cross multiply
    245.62x = 339.01 × 204.06
  4. Step 4: Simplify right side
    245.62x = 69,178.38
  5. Step 5: Solve for x
    x = 69,178.38/245.62
  6. Step 6: Final answer
    x = 281.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.