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Finding the Fourth Proportional to 1,197.12, 1,796.01 and 375.39

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Solution

The fourth proportional to 1,197.12, 1,796.01 and 375.39 is: 563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.12 : 1,796.01 = 375.39 : x
  2. Step 2: Convert to fraction form
    1,197.12/1,796.01 = 375.39/x
  3. Step 3: Cross multiply
    1,197.12x = 1,796.01 × 375.39
  4. Step 4: Simplify right side
    1,197.12x = 674,204.19
  5. Step 5: Solve for x
    x = 674,204.19/1,197.12
  6. Step 6: Final answer
    x = 563.19

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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.