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Finding the Fourth Proportional to 529, 730.21 and 332.50

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Solution

The fourth proportional to 529, 730.21 and 332.50 is: 458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    529 : 730.21 = 332.50 : x
  2. Step 2: Convert to fraction form
    529/730.21 = 332.50/x
  3. Step 3: Cross multiply
    529x = 730.21 × 332.50
  4. Step 4: Simplify right side
    529x = 242,794.83
  5. Step 5: Solve for x
    x = 242,794.83/529
  6. Step 6: Final answer
    x = 458.97

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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.