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Finding the Fourth Proportional to 732.11, 1,097.54 and 341.90

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Solution

The fourth proportional to 732.11, 1,097.54 and 341.90 is: 512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.11 : 1,097.54 = 341.90 : x
  2. Step 2: Convert to fraction form
    732.11/1,097.54 = 341.90/x
  3. Step 3: Cross multiply
    732.11x = 1,097.54 × 341.90
  4. Step 4: Simplify right side
    732.11x = 375,249.63
  5. Step 5: Solve for x
    x = 375,249.63/732.11
  6. Step 6: Final answer
    x = 512.56

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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.