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Finding the Fourth Proportional to 733.95, 1,100.72 and 301.01

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Solution

The fourth proportional to 733.95, 1,100.72 and 301.01 is: 451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.95 : 1,100.72 = 301.01 : x
  2. Step 2: Convert to fraction form
    733.95/1,100.72 = 301.01/x
  3. Step 3: Cross multiply
    733.95x = 1,100.72 × 301.01
  4. Step 4: Simplify right side
    733.95x = 331,322.98
  5. Step 5: Solve for x
    x = 331,322.98/733.95
  6. Step 6: Final answer
    x = 451.42

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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.