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Finding the Fourth Proportional to 322.34, 445.02 and 267.08

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Solution

The fourth proportional to 322.34, 445.02 and 267.08 is: 368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.34 : 445.02 = 267.08 : x
  2. Step 2: Convert to fraction form
    322.34/445.02 = 267.08/x
  3. Step 3: Cross multiply
    322.34x = 445.02 × 267.08
  4. Step 4: Simplify right side
    322.34x = 118,855.94
  5. Step 5: Solve for x
    x = 118,855.94/322.34
  6. Step 6: Final answer
    x = 368.73

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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.