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Finding the Fourth Proportional to 1,063.25, 1,594.44 and 369.78

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Solution

The fourth proportional to 1,063.25, 1,594.44 and 369.78 is: 554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.25 : 1,594.44 = 369.78 : x
  2. Step 2: Convert to fraction form
    1,063.25/1,594.44 = 369.78/x
  3. Step 3: Cross multiply
    1,063.25x = 1,594.44 × 369.78
  4. Step 4: Simplify right side
    1,063.25x = 589,592.02
  5. Step 5: Solve for x
    x = 589,592.02/1,063.25
  6. Step 6: Final answer
    x = 554.52

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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.