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Finding the Fourth Proportional to 1,395.56, 2,093.34 and 369.56

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Solution

The fourth proportional to 1,395.56, 2,093.34 and 369.56 is: 554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.56 : 2,093.34 = 369.56 : x
  2. Step 2: Convert to fraction form
    1,395.56/2,093.34 = 369.56/x
  3. Step 3: Cross multiply
    1,395.56x = 2,093.34 × 369.56
  4. Step 4: Simplify right side
    1,395.56x = 773,621.35
  5. Step 5: Solve for x
    x = 773,621.35/1,395.56
  6. Step 6: Final answer
    x = 554.34

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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.