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Finding the Fourth Proportional to 733.63, 1,101.05 and 348.88

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Solution

The fourth proportional to 733.63, 1,101.05 and 348.88 is: 523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.63 : 1,101.05 = 348.88 : x
  2. Step 2: Convert to fraction form
    733.63/1,101.05 = 348.88/x
  3. Step 3: Cross multiply
    733.63x = 1,101.05 × 348.88
  4. Step 4: Simplify right side
    733.63x = 384,127.07
  5. Step 5: Solve for x
    x = 384,127.07/733.63
  6. Step 6: Final answer
    x = 523.60

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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.