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Finding the Fourth Proportional to 544.77, 751.79 and 323.68

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Solution

The fourth proportional to 544.77, 751.79 and 323.68 is: 446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.77 : 751.79 = 323.68 : x
  2. Step 2: Convert to fraction form
    544.77/751.79 = 323.68/x
  3. Step 3: Cross multiply
    544.77x = 751.79 × 323.68
  4. Step 4: Simplify right side
    544.77x = 243,342.14
  5. Step 5: Solve for x
    x = 243,342.14/544.77
  6. Step 6: Final answer
    x = 446.68

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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.