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Finding the Fourth Proportional to 250.63, 347.54 and 242.44

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Solution

The fourth proportional to 250.63, 347.54 and 242.44 is: 336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.63 : 347.54 = 242.44 : x
  2. Step 2: Convert to fraction form
    250.63/347.54 = 242.44/x
  3. Step 3: Cross multiply
    250.63x = 347.54 × 242.44
  4. Step 4: Simplify right side
    250.63x = 84,257.60
  5. Step 5: Solve for x
    x = 84,257.60/250.63
  6. Step 6: Final answer
    x = 336.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.