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Finding the Fourth Proportional to 246.86, 370.30 and 151.28

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Solution

The fourth proportional to 246.86, 370.30 and 151.28 is: 226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.86 : 370.30 = 151.28 : x
  2. Step 2: Convert to fraction form
    246.86/370.30 = 151.28/x
  3. Step 3: Cross multiply
    246.86x = 370.30 × 151.28
  4. Step 4: Simplify right side
    246.86x = 56,018.98
  5. Step 5: Solve for x
    x = 56,018.98/246.86
  6. Step 6: Final answer
    x = 226.93

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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.