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Finding the Fourth Proportional to 246.28, 369.54 and 159.74

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Solution

The fourth proportional to 246.28, 369.54 and 159.74 is: 239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.28 : 369.54 = 159.74 : x
  2. Step 2: Convert to fraction form
    246.28/369.54 = 159.74/x
  3. Step 3: Cross multiply
    246.28x = 369.54 × 159.74
  4. Step 4: Simplify right side
    246.28x = 59,030.32
  5. Step 5: Solve for x
    x = 59,030.32/246.28
  6. Step 6: Final answer
    x = 239.69

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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.