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Finding the Fourth Proportional to 246.02, 339.40 and 141.09

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Solution

The fourth proportional to 246.02, 339.40 and 141.09 is: 194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.02 : 339.40 = 141.09 : x
  2. Step 2: Convert to fraction form
    246.02/339.40 = 141.09/x
  3. Step 3: Cross multiply
    246.02x = 339.40 × 141.09
  4. Step 4: Simplify right side
    246.02x = 47,885.95
  5. Step 5: Solve for x
    x = 47,885.95/246.02
  6. Step 6: Final answer
    x = 194.64

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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.