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Finding the Fourth Proportional to 1,294.45, 1,941.50 and 369.97

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Solution

The fourth proportional to 1,294.45, 1,941.50 and 369.97 is: 554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.45 : 1,941.50 = 369.97 : x
  2. Step 2: Convert to fraction form
    1,294.45/1,941.50 = 369.97/x
  3. Step 3: Cross multiply
    1,294.45x = 1,941.50 × 369.97
  4. Step 4: Simplify right side
    1,294.45x = 718,292.83
  5. Step 5: Solve for x
    x = 718,292.83/1,294.45
  6. Step 6: Final answer
    x = 554.90

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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.