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Finding the Fourth Proportional to 246.11, 368.74 and 130.30

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Solution

The fourth proportional to 246.11, 368.74 and 130.30 is: 195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.11 : 368.74 = 130.30 : x
  2. Step 2: Convert to fraction form
    246.11/368.74 = 130.30/x
  3. Step 3: Cross multiply
    246.11x = 368.74 × 130.30
  4. Step 4: Simplify right side
    246.11x = 48,045.57
  5. Step 5: Solve for x
    x = 48,045.57/246.11
  6. Step 6: Final answer
    x = 195.22

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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.