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Finding the Fourth Proportional to 544.18, 750.75 and 323.05

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Solution

The fourth proportional to 544.18, 750.75 and 323.05 is: 445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.18 : 750.75 = 323.05 : x
  2. Step 2: Convert to fraction form
    544.18/750.75 = 323.05/x
  3. Step 3: Cross multiply
    544.18x = 750.75 × 323.05
  4. Step 4: Simplify right side
    544.18x = 242,529.79
  5. Step 5: Solve for x
    x = 242,529.79/544.18
  6. Step 6: Final answer
    x = 445.68

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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.