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Finding the Fourth Proportional to 250.29, 374.52 and 188.93

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Solution

The fourth proportional to 250.29, 374.52 and 188.93 is: 282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.29 : 374.52 = 188.93 : x
  2. Step 2: Convert to fraction form
    250.29/374.52 = 188.93/x
  3. Step 3: Cross multiply
    250.29x = 374.52 × 188.93
  4. Step 4: Simplify right side
    250.29x = 70,759.71
  5. Step 5: Solve for x
    x = 70,759.71/250.29
  6. Step 6: Final answer
    x = 282.71

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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.