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Finding the Fourth Proportional to 524.30, 723.60 and 349.94

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Solution

The fourth proportional to 524.30, 723.60 and 349.94 is: 482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.30 : 723.60 = 349.94 : x
  2. Step 2: Convert to fraction form
    524.30/723.60 = 349.94/x
  3. Step 3: Cross multiply
    524.30x = 723.60 × 349.94
  4. Step 4: Simplify right side
    524.30x = 253,218.39
  5. Step 5: Solve for x
    x = 253,218.39/524.30
  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.