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Finding the Fourth Proportional to 529.73, 794.44 and 205.02

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Solution

The fourth proportional to 529.73, 794.44 and 205.02 is: 307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.73 : 794.44 = 205.02 : x
  2. Step 2: Convert to fraction form
    529.73/794.44 = 205.02/x
  3. Step 3: Cross multiply
    529.73x = 794.44 × 205.02
  4. Step 4: Simplify right side
    529.73x = 162,876.09
  5. Step 5: Solve for x
    x = 162,876.09/529.73
  6. Step 6: Final answer
    x = 307.47

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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.