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Finding the Fourth Proportional to 433.49, 598.20 and 267.71

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Solution

The fourth proportional to 433.49, 598.20 and 267.71 is: 369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.49 : 598.20 = 267.71 : x
  2. Step 2: Convert to fraction form
    433.49/598.20 = 267.71/x
  3. Step 3: Cross multiply
    433.49x = 598.20 × 267.71
  4. Step 4: Simplify right side
    433.49x = 160,141.13
  5. Step 5: Solve for x
    x = 160,141.13/433.49
  6. Step 6: Final answer
    x = 369.43

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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.