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Finding the Fourth Proportional to 246.61, 369.87 and 155.02

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Solution

The fourth proportional to 246.61, 369.87 and 155.02 is: 232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.61 : 369.87 = 155.02 : x
  2. Step 2: Convert to fraction form
    246.61/369.87 = 155.02/x
  3. Step 3: Cross multiply
    246.61x = 369.87 × 155.02
  4. Step 4: Simplify right side
    246.61x = 57,337.25
  5. Step 5: Solve for x
    x = 57,337.25/246.61
  6. Step 6: Final answer
    x = 232.51

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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.