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Finding the Fourth Proportional to 298.36, 446.91 and 252.01

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Solution

The fourth proportional to 298.36, 446.91 and 252.01 is: 377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.36 : 446.91 = 252.01 : x
  2. Step 2: Convert to fraction form
    298.36/446.91 = 252.01/x
  3. Step 3: Cross multiply
    298.36x = 446.91 × 252.01
  4. Step 4: Simplify right side
    298.36x = 112,625.79
  5. Step 5: Solve for x
    x = 112,625.79/298.36
  6. Step 6: Final answer
    x = 377.48

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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.