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Finding the Fourth Proportional to 364.73, 546.92 and 266.91

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Solution

The fourth proportional to 364.73, 546.92 and 266.91 is: 400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.73 : 546.92 = 266.91 : x
  2. Step 2: Convert to fraction form
    364.73/546.92 = 266.91/x
  3. Step 3: Cross multiply
    364.73x = 546.92 × 266.91
  4. Step 4: Simplify right side
    364.73x = 145,979.10
  5. Step 5: Solve for x
    x = 145,979.10/364.73
  6. Step 6: Final answer
    x = 400.24

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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.