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Finding the Fourth Proportional to 482.82, 723.88 and 239.01

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Solution

The fourth proportional to 482.82, 723.88 and 239.01 is: 358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.82 : 723.88 = 239.01 : x
  2. Step 2: Convert to fraction form
    482.82/723.88 = 239.01/x
  3. Step 3: Cross multiply
    482.82x = 723.88 × 239.01
  4. Step 4: Simplify right side
    482.82x = 173,014.56
  5. Step 5: Solve for x
    x = 173,014.56/482.82
  6. Step 6: Final answer
    x = 358.34

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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.