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Finding the Fourth Proportional to 246.70, 368.56 and 246.70

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Solution

The fourth proportional to 246.70, 368.56 and 246.70 is: 368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.70 : 368.56 = 246.70 : x
  2. Step 2: Convert to fraction form
    246.70/368.56 = 246.70/x
  3. Step 3: Cross multiply
    246.70x = 368.56 × 246.70
  4. Step 4: Simplify right side
    246.70x = 90,923.75
  5. Step 5: Solve for x
    x = 90,923.75/246.70
  6. Step 6: Final answer
    x = 368.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.