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Finding the Fourth Proportional to 406.10, 559.05 and 364.64

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Solution

The fourth proportional to 406.10, 559.05 and 364.64 is: 501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.10 : 559.05 = 364.64 : x
  2. Step 2: Convert to fraction form
    406.10/559.05 = 364.64/x
  3. Step 3: Cross multiply
    406.10x = 559.05 × 364.64
  4. Step 4: Simplify right side
    406.10x = 203,851.99
  5. Step 5: Solve for x
    x = 203,851.99/406.10
  6. Step 6: Final answer
    x = 501.97

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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.