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Finding the Fourth Proportional to 1,060.80, 1,591.52 and 367.44

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Solution

The fourth proportional to 1,060.80, 1,591.52 and 367.44 is: 551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.80 : 1,591.52 = 367.44 : x
  2. Step 2: Convert to fraction form
    1,060.80/1,591.52 = 367.44/x
  3. Step 3: Cross multiply
    1,060.80x = 1,591.52 × 367.44
  4. Step 4: Simplify right side
    1,060.80x = 584,788.11
  5. Step 5: Solve for x
    x = 584,788.11/1,060.80
  6. Step 6: Final answer
    x = 551.27

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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.