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Finding the Fourth Proportional to 529.89, 794.94 and 164.60

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Solution

The fourth proportional to 529.89, 794.94 and 164.60 is: 246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.89 : 794.94 = 164.60 : x
  2. Step 2: Convert to fraction form
    529.89/794.94 = 164.60/x
  3. Step 3: Cross multiply
    529.89x = 794.94 × 164.60
  4. Step 4: Simplify right side
    529.89x = 130,842.33
  5. Step 5: Solve for x
    x = 130,842.33/529.89
  6. Step 6: Final answer
    x = 246.92

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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.