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Finding the Fourth Proportional to 366.21, 547.86 and 283.29

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Solution

The fourth proportional to 366.21, 547.86 and 283.29 is: 423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.21 : 547.86 = 283.29 : x
  2. Step 2: Convert to fraction form
    366.21/547.86 = 283.29/x
  3. Step 3: Cross multiply
    366.21x = 547.86 × 283.29
  4. Step 4: Simplify right side
    366.21x = 155,203.26
  5. Step 5: Solve for x
    x = 155,203.26/366.21
  6. Step 6: Final answer
    x = 423.81

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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.