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Finding the Fourth Proportional to 529.55, 794.36 and 164.39

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Solution

The fourth proportional to 529.55, 794.36 and 164.39 is: 246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.55 : 794.36 = 164.39 : x
  2. Step 2: Convert to fraction form
    529.55/794.36 = 164.39/x
  3. Step 3: Cross multiply
    529.55x = 794.36 × 164.39
  4. Step 4: Simplify right side
    529.55x = 130,584.02
  5. Step 5: Solve for x
    x = 130,584.02/529.55
  6. Step 6: Final answer
    x = 246.59

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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.