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Finding the Fourth Proportional to 270.29, 403.45 and 250.22

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Solution

The fourth proportional to 270.29, 403.45 and 250.22 is: 373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.29 : 403.45 = 250.22 : x
  2. Step 2: Convert to fraction form
    270.29/403.45 = 250.22/x
  3. Step 3: Cross multiply
    270.29x = 403.45 × 250.22
  4. Step 4: Simplify right side
    270.29x = 100,951.26
  5. Step 5: Solve for x
    x = 100,951.26/270.29
  6. Step 6: Final answer
    x = 373.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.