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Finding the Fourth Proportional to 544.66, 817 and 220.02

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Solution

The fourth proportional to 544.66, 817 and 220.02 is: 330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.66 : 817 = 220.02 : x
  2. Step 2: Convert to fraction form
    544.66/817 = 220.02/x
  3. Step 3: Cross multiply
    544.66x = 817 × 220.02
  4. Step 4: Simplify right side
    544.66x = 179,756.34
  5. Step 5: Solve for x
    x = 179,756.34/544.66
  6. Step 6: Final answer
    x = 330.03

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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.