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Finding the Fourth Proportional to 250.43, 375.79 and 190.08

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Solution

The fourth proportional to 250.43, 375.79 and 190.08 is: 285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.43 : 375.79 = 190.08 : x
  2. Step 2: Convert to fraction form
    250.43/375.79 = 190.08/x
  3. Step 3: Cross multiply
    250.43x = 375.79 × 190.08
  4. Step 4: Simplify right side
    250.43x = 71,430.04
  5. Step 5: Solve for x
    x = 71,430.04/250.43
  6. Step 6: Final answer
    x = 285.24

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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.