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Finding the Fourth Proportional to 246.61, 369.51 and 239.05

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Solution

The fourth proportional to 246.61, 369.51 and 239.05 is: 358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.61 : 369.51 = 239.05 : x
  2. Step 2: Convert to fraction form
    246.61/369.51 = 239.05/x
  3. Step 3: Cross multiply
    246.61x = 369.51 × 239.05
  4. Step 4: Simplify right side
    246.61x = 88,331.37
  5. Step 5: Solve for x
    x = 88,331.37/246.61
  6. Step 6: Final answer
    x = 358.18

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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.