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Finding the Fourth Proportional to 433.36, 598.35 and 267.80

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Solution

The fourth proportional to 433.36, 598.35 and 267.80 is: 369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.36 : 598.35 = 267.80 : x
  2. Step 2: Convert to fraction form
    433.36/598.35 = 267.80/x
  3. Step 3: Cross multiply
    433.36x = 598.35 × 267.80
  4. Step 4: Simplify right side
    433.36x = 160,238.13
  5. Step 5: Solve for x
    x = 160,238.13/433.36
  6. Step 6: Final answer
    x = 369.76

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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.