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Finding the Fourth Proportional to 573.81, 792.65 and 444.45

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Solution

The fourth proportional to 573.81, 792.65 and 444.45 is: 613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.81 : 792.65 = 444.45 : x
  2. Step 2: Convert to fraction form
    573.81/792.65 = 444.45/x
  3. Step 3: Cross multiply
    573.81x = 792.65 × 444.45
  4. Step 4: Simplify right side
    573.81x = 352,291.07
  5. Step 5: Solve for x
    x = 352,291.07/573.81
  6. Step 6: Final answer
    x = 613.95

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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.