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Finding the Fourth Proportional to 529.03, 791.72 and 446.41

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Solution

The fourth proportional to 529.03, 791.72 and 446.41 is: 668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.03 : 791.72 = 446.41 : x
  2. Step 2: Convert to fraction form
    529.03/791.72 = 446.41/x
  3. Step 3: Cross multiply
    529.03x = 791.72 × 446.41
  4. Step 4: Simplify right side
    529.03x = 353,425.53
  5. Step 5: Solve for x
    x = 353,425.53/529.03
  6. Step 6: Final answer
    x = 668.07

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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.