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Finding the Fourth Proportional to 544.50, 813.06 and 482.94

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Solution

The fourth proportional to 544.50, 813.06 and 482.94 is: 721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.50 : 813.06 = 482.94 : x
  2. Step 2: Convert to fraction form
    544.50/813.06 = 482.94/x
  3. Step 3: Cross multiply
    544.50x = 813.06 × 482.94
  4. Step 4: Simplify right side
    544.50x = 392,659.20
  5. Step 5: Solve for x
    x = 392,659.20/544.50
  6. Step 6: Final answer
    x = 721.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.