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Finding the Fourth Proportional to 735.62, 1,016.43 and 579.48

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Solution

The fourth proportional to 735.62, 1,016.43 and 579.48 is: 800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.62 : 1,016.43 = 579.48 : x
  2. Step 2: Convert to fraction form
    735.62/1,016.43 = 579.48/x
  3. Step 3: Cross multiply
    735.62x = 1,016.43 × 579.48
  4. Step 4: Simplify right side
    735.62x = 589,000.86
  5. Step 5: Solve for x
    x = 589,000.86/735.62
  6. Step 6: Final answer
    x = 800.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.