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Finding the Fourth Proportional to 339.62, 508.35 and 267.62

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Solution

The fourth proportional to 339.62, 508.35 and 267.62 is: 400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.62 : 508.35 = 267.62 : x
  2. Step 2: Convert to fraction form
    339.62/508.35 = 267.62/x
  3. Step 3: Cross multiply
    339.62x = 508.35 × 267.62
  4. Step 4: Simplify right side
    339.62x = 136,044.63
  5. Step 5: Solve for x
    x = 136,044.63/339.62
  6. Step 6: Final answer
    x = 400.58

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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.