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Finding the Fourth Proportional to 529.89, 794.83 and 164.68

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Solution

The fourth proportional to 529.89, 794.83 and 164.68 is: 247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.89 : 794.83 = 164.68 : x
  2. Step 2: Convert to fraction form
    529.89/794.83 = 164.68/x
  3. Step 3: Cross multiply
    529.89x = 794.83 × 164.68
  4. Step 4: Simplify right side
    529.89x = 130,891.03
  5. Step 5: Solve for x
    x = 130,891.03/529.89
  6. Step 6: Final answer
    x = 247.02

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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.