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Finding the Fourth Proportional to 250.07, 374.96 and 153.95

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Solution

The fourth proportional to 250.07, 374.96 and 153.95 is: 230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.07 : 374.96 = 153.95 : x
  2. Step 2: Convert to fraction form
    250.07/374.96 = 153.95/x
  3. Step 3: Cross multiply
    250.07x = 374.96 × 153.95
  4. Step 4: Simplify right side
    250.07x = 57,723.60
  5. Step 5: Solve for x
    x = 57,723.60/250.07
  6. Step 6: Final answer
    x = 230.83

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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.