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Finding the Fourth Proportional to 277, 381.93 and 242.38

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Solution

The fourth proportional to 277, 381.93 and 242.38 is: 334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277 : 381.93 = 242.38 : x
  2. Step 2: Convert to fraction form
    277/381.93 = 242.38/x
  3. Step 3: Cross multiply
    277x = 381.93 × 242.38
  4. Step 4: Simplify right side
    277x = 92,572.19
  5. Step 5: Solve for x
    x = 92,572.19/277
  6. Step 6: Final answer
    x = 334.20

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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.