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Finding the Fourth Proportional to 1,100.06, 1,650.28 and 369.64

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Solution

The fourth proportional to 1,100.06, 1,650.28 and 369.64 is: 554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.06 : 1,650.28 = 369.64 : x
  2. Step 2: Convert to fraction form
    1,100.06/1,650.28 = 369.64/x
  3. Step 3: Cross multiply
    1,100.06x = 1,650.28 × 369.64
  4. Step 4: Simplify right side
    1,100.06x = 610,009.50
  5. Step 5: Solve for x
    x = 610,009.50/1,100.06
  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.