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Finding the Fourth Proportional to 1,197.45, 1,796.18 and 375.66

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Solution

The fourth proportional to 1,197.45, 1,796.18 and 375.66 is: 563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.45 : 1,796.18 = 375.66 : x
  2. Step 2: Convert to fraction form
    1,197.45/1,796.18 = 375.66/x
  3. Step 3: Cross multiply
    1,197.45x = 1,796.18 × 375.66
  4. Step 4: Simplify right side
    1,197.45x = 674,752.98
  5. Step 5: Solve for x
    x = 674,752.98/1,197.45
  6. Step 6: Final answer
    x = 563.49

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Double scale
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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.