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Finding the Fourth Proportional to 295.07, 440.45 and 273.65

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Solution

The fourth proportional to 295.07, 440.45 and 273.65 is: 408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.07 : 440.45 = 273.65 : x
  2. Step 2: Convert to fraction form
    295.07/440.45 = 273.65/x
  3. Step 3: Cross multiply
    295.07x = 440.45 × 273.65
  4. Step 4: Simplify right side
    295.07x = 120,530.93
  5. Step 5: Solve for x
    x = 120,530.93/295.07
  6. Step 6: Final answer
    x = 408.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.