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Finding the Fourth Proportional to 524.96, 724.40 and 350

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Solution

The fourth proportional to 524.96, 724.40 and 350 is: 482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.96 : 724.40 = 350 : x
  2. Step 2: Convert to fraction form
    524.96/724.40 = 350/x
  3. Step 3: Cross multiply
    524.96x = 724.40 × 350
  4. Step 4: Simplify right side
    524.96x = 253,540
  5. Step 5: Solve for x
    x = 253,540/524.96
  6. Step 6: Final answer
    x = 482.97

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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.