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Finding the Fourth Proportional to 353.54, 529.50 and 267.02

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Solution

The fourth proportional to 353.54, 529.50 and 267.02 is: 399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.54 : 529.50 = 267.02 : x
  2. Step 2: Convert to fraction form
    353.54/529.50 = 267.02/x
  3. Step 3: Cross multiply
    353.54x = 529.50 × 267.02
  4. Step 4: Simplify right side
    353.54x = 141,387.09
  5. Step 5: Solve for x
    x = 141,387.09/353.54
  6. Step 6: Final answer
    x = 399.92

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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.