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Finding the Fourth Proportional to 367.20, 552.96 and 295.20

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Solution

The fourth proportional to 367.20, 552.96 and 295.20 is: 444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.20 : 552.96 = 295.20 : x
  2. Step 2: Convert to fraction form
    367.20/552.96 = 295.20/x
  3. Step 3: Cross multiply
    367.20x = 552.96 × 295.20
  4. Step 4: Simplify right side
    367.20x = 163,233.79
  5. Step 5: Solve for x
    x = 163,233.79/367.20
  6. Step 6: Final answer
    x = 444.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.