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Finding the Fourth Proportional to 367.26, 551.30 and 357.95

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Solution

The fourth proportional to 367.26, 551.30 and 357.95 is: 537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.26 : 551.30 = 357.95 : x
  2. Step 2: Convert to fraction form
    367.26/551.30 = 357.95/x
  3. Step 3: Cross multiply
    367.26x = 551.30 × 357.95
  4. Step 4: Simplify right side
    367.26x = 197,333.29
  5. Step 5: Solve for x
    x = 197,333.29/367.26
  6. Step 6: Final answer
    x = 537.31

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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.