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Finding the Fourth Proportional to 1,167.06, 1,750.63 and 301.38

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Solution

The fourth proportional to 1,167.06, 1,750.63 and 301.38 is: 452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.06 : 1,750.63 = 301.38 : x
  2. Step 2: Convert to fraction form
    1,167.06/1,750.63 = 301.38/x
  3. Step 3: Cross multiply
    1,167.06x = 1,750.63 × 301.38
  4. Step 4: Simplify right side
    1,167.06x = 527,604.87
  5. Step 5: Solve for x
    x = 527,604.87/1,167.06
  6. Step 6: Final answer
    x = 452.08

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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.