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Finding the Fourth Proportional to 246.90, 355.68 and 246.90

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Solution

The fourth proportional to 246.90, 355.68 and 246.90 is: 355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.90 : 355.68 = 246.90 : x
  2. Step 2: Convert to fraction form
    246.90/355.68 = 246.90/x
  3. Step 3: Cross multiply
    246.90x = 355.68 × 246.90
  4. Step 4: Simplify right side
    246.90x = 87,817.39
  5. Step 5: Solve for x
    x = 87,817.39/246.90
  6. Step 6: Final answer
    x = 355.68

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.