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Finding the Fourth Proportional to 250.72, 375.60 and 230.32

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Solution

The fourth proportional to 250.72, 375.60 and 230.32 is: 345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.72 : 375.60 = 230.32 : x
  2. Step 2: Convert to fraction form
    250.72/375.60 = 230.32/x
  3. Step 3: Cross multiply
    250.72x = 375.60 × 230.32
  4. Step 4: Simplify right side
    250.72x = 86,508.19
  5. Step 5: Solve for x
    x = 86,508.19/250.72
  6. Step 6: Final answer
    x = 345.04

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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.