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Finding the Fourth Proportional to 250.80, 374.60 and 193.02

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Solution

The fourth proportional to 250.80, 374.60 and 193.02 is: 288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.80 : 374.60 = 193.02 : x
  2. Step 2: Convert to fraction form
    250.80/374.60 = 193.02/x
  3. Step 3: Cross multiply
    250.80x = 374.60 × 193.02
  4. Step 4: Simplify right side
    250.80x = 72,304.33
  5. Step 5: Solve for x
    x = 72,304.33/250.80
  6. Step 6: Final answer
    x = 288.29

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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.