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Finding the Fourth Proportional to 408.67, 564.23 and 364.93

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Solution

The fourth proportional to 408.67, 564.23 and 364.93 is: 503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.67 : 564.23 = 364.93 : x
  2. Step 2: Convert to fraction form
    408.67/564.23 = 364.93/x
  3. Step 3: Cross multiply
    408.67x = 564.23 × 364.93
  4. Step 4: Simplify right side
    408.67x = 205,904.45
  5. Step 5: Solve for x
    x = 205,904.45/408.67
  6. Step 6: Final answer
    x = 503.84

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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.