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Finding the Fourth Proportional to 524.50, 723.64 and 327.94

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Solution

The fourth proportional to 524.50, 723.64 and 327.94 is: 452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.50 : 723.64 = 327.94 : x
  2. Step 2: Convert to fraction form
    524.50/723.64 = 327.94/x
  3. Step 3: Cross multiply
    524.50x = 723.64 × 327.94
  4. Step 4: Simplify right side
    524.50x = 237,310.50
  5. Step 5: Solve for x
    x = 237,310.50/524.50
  6. Step 6: Final answer
    x = 452.45

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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.