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Finding the Fourth Proportional to 524.96, 724.56 and 350.24

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Solution

The fourth proportional to 524.96, 724.56 and 350.24 is: 483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.96 : 724.56 = 350.24 : x
  2. Step 2: Convert to fraction form
    524.96/724.56 = 350.24/x
  3. Step 3: Cross multiply
    524.96x = 724.56 × 350.24
  4. Step 4: Simplify right side
    524.96x = 253,769.89
  5. Step 5: Solve for x
    x = 253,769.89/524.96
  6. Step 6: Final answer
    x = 483.41

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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.