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Finding the Fourth Proportional to 529.37, 730.22 and 332.54

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Solution

The fourth proportional to 529.37, 730.22 and 332.54 is: 458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.37 : 730.22 = 332.54 : x
  2. Step 2: Convert to fraction form
    529.37/730.22 = 332.54/x
  3. Step 3: Cross multiply
    529.37x = 730.22 × 332.54
  4. Step 4: Simplify right side
    529.37x = 242,830.02
  5. Step 5: Solve for x
    x = 242,830.02/529.37
  6. Step 6: Final answer
    x = 458.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.