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Finding the Fourth Proportional to 366.88, 506.46 and 242.55

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Solution

The fourth proportional to 366.88, 506.46 and 242.55 is: 334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.88 : 506.46 = 242.55 : x
  2. Step 2: Convert to fraction form
    366.88/506.46 = 242.55/x
  3. Step 3: Cross multiply
    366.88x = 506.46 × 242.55
  4. Step 4: Simplify right side
    366.88x = 122,841.87
  5. Step 5: Solve for x
    x = 122,841.87/366.88
  6. Step 6: Final answer
    x = 334.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.