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Finding the Fourth Proportional to 250.61, 373.73 and 214.27

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Solution

The fourth proportional to 250.61, 373.73 and 214.27 is: 319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.61 : 373.73 = 214.27 : x
  2. Step 2: Convert to fraction form
    250.61/373.73 = 214.27/x
  3. Step 3: Cross multiply
    250.61x = 373.73 × 214.27
  4. Step 4: Simplify right side
    250.61x = 80,078.73
  5. Step 5: Solve for x
    x = 80,078.73/250.61
  6. Step 6: Final answer
    x = 319.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.