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Finding the Fourth Proportional to 1,304.01, 1,956.62 and 482.57

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Solution

The fourth proportional to 1,304.01, 1,956.62 and 482.57 is: 724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.01 : 1,956.62 = 482.57 : x
  2. Step 2: Convert to fraction form
    1,304.01/1,956.62 = 482.57/x
  3. Step 3: Cross multiply
    1,304.01x = 1,956.62 × 482.57
  4. Step 4: Simplify right side
    1,304.01x = 944,193.92
  5. Step 5: Solve for x
    x = 944,193.92/1,304.01
  6. Step 6: Final answer
    x = 724.07

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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.