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Finding the Fourth Proportional to 733.05, 1,100.25 and 368.10

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Solution

The fourth proportional to 733.05, 1,100.25 and 368.10 is: 552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.05 : 1,100.25 = 368.10 : x
  2. Step 2: Convert to fraction form
    733.05/1,100.25 = 368.10/x
  3. Step 3: Cross multiply
    733.05x = 1,100.25 × 368.10
  4. Step 4: Simplify right side
    733.05x = 405,002.03
  5. Step 5: Solve for x
    x = 405,002.03/733.05
  6. Step 6: Final answer
    x = 552.49

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1.5x scale

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.