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Finding the Fourth Proportional to 544.92, 751.66 and 323.83

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Solution

The fourth proportional to 544.92, 751.66 and 323.83 is: 446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.92 : 751.66 = 323.83 : x
  2. Step 2: Convert to fraction form
    544.92/751.66 = 323.83/x
  3. Step 3: Cross multiply
    544.92x = 751.66 × 323.83
  4. Step 4: Simplify right side
    544.92x = 243,410.06
  5. Step 5: Solve for x
    x = 243,410.06/544.92
  6. Step 6: Final answer
    x = 446.69

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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.