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Finding the Fourth Proportional to 568.96, 784.83 and 444.40

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Solution

The fourth proportional to 568.96, 784.83 and 444.40 is: 613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.96 : 784.83 = 444.40 : x
  2. Step 2: Convert to fraction form
    568.96/784.83 = 444.40/x
  3. Step 3: Cross multiply
    568.96x = 784.83 × 444.40
  4. Step 4: Simplify right side
    568.96x = 348,778.45
  5. Step 5: Solve for x
    x = 348,778.45/568.96
  6. Step 6: Final answer
    x = 613.01

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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.