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Finding the Fourth Proportional to 733.68, 1,012.41 and 537.30

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Solution

The fourth proportional to 733.68, 1,012.41 and 537.30 is: 741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.68 : 1,012.41 = 537.30 : x
  2. Step 2: Convert to fraction form
    733.68/1,012.41 = 537.30/x
  3. Step 3: Cross multiply
    733.68x = 1,012.41 × 537.30
  4. Step 4: Simplify right side
    733.68x = 543,967.89
  5. Step 5: Solve for x
    x = 543,967.89/733.68
  6. Step 6: Final answer
    x = 741.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.