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Finding the Fourth Proportional to 250.40, 375.32 and 168.96

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Solution

The fourth proportional to 250.40, 375.32 and 168.96 is: 253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.40 : 375.32 = 168.96 : x
  2. Step 2: Convert to fraction form
    250.40/375.32 = 168.96/x
  3. Step 3: Cross multiply
    250.40x = 375.32 × 168.96
  4. Step 4: Simplify right side
    250.40x = 63,414.07
  5. Step 5: Solve for x
    x = 63,414.07/250.40
  6. Step 6: Final answer
    x = 253.25

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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.