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Finding the Fourth Proportional to 735.60, 1,103.32 and 350.64

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Solution

The fourth proportional to 735.60, 1,103.32 and 350.64 is: 525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.60 : 1,103.32 = 350.64 : x
  2. Step 2: Convert to fraction form
    735.60/1,103.32 = 350.64/x
  3. Step 3: Cross multiply
    735.60x = 1,103.32 × 350.64
  4. Step 4: Simplify right side
    735.60x = 386,868.12
  5. Step 5: Solve for x
    x = 386,868.12/735.60
  6. Step 6: Final answer
    x = 525.92

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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.