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Finding the Fourth Proportional to 735.36, 1,103.36 and 369.96

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Solution

The fourth proportional to 735.36, 1,103.36 and 369.96 is: 555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.36 : 1,103.36 = 369.96 : x
  2. Step 2: Convert to fraction form
    735.36/1,103.36 = 369.96/x
  3. Step 3: Cross multiply
    735.36x = 1,103.36 × 369.96
  4. Step 4: Simplify right side
    735.36x = 408,199.07
  5. Step 5: Solve for x
    x = 408,199.07/735.36
  6. Step 6: Final answer
    x = 555.10

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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.