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Finding the Fourth Proportional to 735.06, 1,103.03 and 518.82

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Solution

The fourth proportional to 735.06, 1,103.03 and 518.82 is: 778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.06 : 1,103.03 = 518.82 : x
  2. Step 2: Convert to fraction form
    735.06/1,103.03 = 518.82/x
  3. Step 3: Cross multiply
    735.06x = 1,103.03 × 518.82
  4. Step 4: Simplify right side
    735.06x = 572,274.02
  5. Step 5: Solve for x
    x = 572,274.02/735.06
  6. Step 6: Final answer
    x = 778.54

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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.