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Finding the Fourth Proportional to 295.39, 442.37 and 251.81

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Solution

The fourth proportional to 295.39, 442.37 and 251.81 is: 377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.39 : 442.37 = 251.81 : x
  2. Step 2: Convert to fraction form
    295.39/442.37 = 251.81/x
  3. Step 3: Cross multiply
    295.39x = 442.37 × 251.81
  4. Step 4: Simplify right side
    295.39x = 111,393.27
  5. Step 5: Solve for x
    x = 111,393.27/295.39
  6. Step 6: Final answer
    x = 377.10

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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.