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Finding the Fourth Proportional to 619.04, 854.15 and 444.69

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Solution

The fourth proportional to 619.04, 854.15 and 444.69 is: 613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.04 : 854.15 = 444.69 : x
  2. Step 2: Convert to fraction form
    619.04/854.15 = 444.69/x
  3. Step 3: Cross multiply
    619.04x = 854.15 × 444.69
  4. Step 4: Simplify right side
    619.04x = 379,829.74
  5. Step 5: Solve for x
    x = 379,829.74/619.04
  6. Step 6: Final answer
    x = 613.58

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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.