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Finding the Fourth Proportional to 246.60, 370.08 and 100.47

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Solution

The fourth proportional to 246.60, 370.08 and 100.47 is: 150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.60 : 370.08 = 100.47 : x
  2. Step 2: Convert to fraction form
    246.60/370.08 = 100.47/x
  3. Step 3: Cross multiply
    246.60x = 370.08 × 100.47
  4. Step 4: Simplify right side
    246.60x = 37,181.94
  5. Step 5: Solve for x
    x = 37,181.94/246.60
  6. Step 6: Final answer
    x = 150.78

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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.