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Finding the Fourth Proportional to 246.93, 373.20 and 242.68

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Solution

The fourth proportional to 246.93, 373.20 and 242.68 is: 366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.93 : 373.20 = 242.68 : x
  2. Step 2: Convert to fraction form
    246.93/373.20 = 242.68/x
  3. Step 3: Cross multiply
    246.93x = 373.20 × 242.68
  4. Step 4: Simplify right side
    246.93x = 90,568.18
  5. Step 5: Solve for x
    x = 90,568.18/246.93
  6. Step 6: Final answer
    x = 366.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.