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Finding the Fourth Proportional to 704.05, 971.29 and 482.62

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Solution

The fourth proportional to 704.05, 971.29 and 482.62 is: 665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.05 : 971.29 = 482.62 : x
  2. Step 2: Convert to fraction form
    704.05/971.29 = 482.62/x
  3. Step 3: Cross multiply
    704.05x = 971.29 × 482.62
  4. Step 4: Simplify right side
    704.05x = 468,756.71
  5. Step 5: Solve for x
    x = 468,756.71/704.05
  6. Step 6: Final answer
    x = 665.80

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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.