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Finding the Fourth Proportional to 524.50, 723.62 and 327.68

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Solution

The fourth proportional to 524.50, 723.62 and 327.68 is: 452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.50 : 723.62 = 327.68 : x
  2. Step 2: Convert to fraction form
    524.50/723.62 = 327.68/x
  3. Step 3: Cross multiply
    524.50x = 723.62 × 327.68
  4. Step 4: Simplify right side
    524.50x = 237,115.80
  5. Step 5: Solve for x
    x = 237,115.80/524.50
  6. Step 6: Final answer
    x = 452.08

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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.