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Finding the Fourth Proportional to 482.04, 724.34 and 262.82

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Solution

The fourth proportional to 482.04, 724.34 and 262.82 is: 394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.04 : 724.34 = 262.82 : x
  2. Step 2: Convert to fraction form
    482.04/724.34 = 262.82/x
  3. Step 3: Cross multiply
    482.04x = 724.34 × 262.82
  4. Step 4: Simplify right side
    482.04x = 190,369.72
  5. Step 5: Solve for x
    x = 190,369.72/482.04
  6. Step 6: Final answer
    x = 394.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.