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Finding the Fourth Proportional to 272.63, 375.95 and 242.63

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Solution

The fourth proportional to 272.63, 375.95 and 242.63 is: 334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.63 : 375.95 = 242.63 : x
  2. Step 2: Convert to fraction form
    272.63/375.95 = 242.63/x
  3. Step 3: Cross multiply
    272.63x = 375.95 × 242.63
  4. Step 4: Simplify right side
    272.63x = 91,213.66
  5. Step 5: Solve for x
    x = 91,213.66/272.63
  6. Step 6: Final answer
    x = 334.58

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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.