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Finding the Fourth Proportional to 479.62, 719 and 232.69

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Solution

The fourth proportional to 479.62, 719 and 232.69 is: 348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.62 : 719 = 232.69 : x
  2. Step 2: Convert to fraction form
    479.62/719 = 232.69/x
  3. Step 3: Cross multiply
    479.62x = 719 × 232.69
  4. Step 4: Simplify right side
    479.62x = 167,304.11
  5. Step 5: Solve for x
    x = 167,304.11/479.62
  6. Step 6: Final answer
    x = 348.83

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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.