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Finding the Fourth Proportional to 306.53, 459.41 and 267.83

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Solution

The fourth proportional to 306.53, 459.41 and 267.83 is: 401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.53 : 459.41 = 267.83 : x
  2. Step 2: Convert to fraction form
    306.53/459.41 = 267.83/x
  3. Step 3: Cross multiply
    306.53x = 459.41 × 267.83
  4. Step 4: Simplify right side
    306.53x = 123,043.59
  5. Step 5: Solve for x
    x = 123,043.59/306.53
  6. Step 6: Final answer
    x = 401.40

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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.