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Finding the Fourth Proportional to 575.96, 863.33 and 283.66

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Solution

The fourth proportional to 575.96, 863.33 and 283.66 is: 425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.96 : 863.33 = 283.66 : x
  2. Step 2: Convert to fraction form
    575.96/863.33 = 283.66/x
  3. Step 3: Cross multiply
    575.96x = 863.33 × 283.66
  4. Step 4: Simplify right side
    575.96x = 244,886.45
  5. Step 5: Solve for x
    x = 244,886.45/575.96
  6. Step 6: Final answer
    x = 425.18

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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.