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Finding the Fourth Proportional to 250.03, 374.58 and 141.49

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Solution

The fourth proportional to 250.03, 374.58 and 141.49 is: 211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.03 : 374.58 = 141.49 : x
  2. Step 2: Convert to fraction form
    250.03/374.58 = 141.49/x
  3. Step 3: Cross multiply
    250.03x = 374.58 × 141.49
  4. Step 4: Simplify right side
    250.03x = 52,999.32
  5. Step 5: Solve for x
    x = 52,999.32/250.03
  6. Step 6: Final answer
    x = 211.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.