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Finding the Fourth Proportional to 298.84, 448.27 and 93.41

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Solution

The fourth proportional to 298.84, 448.27 and 93.41 is: 140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.84 : 448.27 = 93.41 : x
  2. Step 2: Convert to fraction form
    298.84/448.27 = 93.41/x
  3. Step 3: Cross multiply
    298.84x = 448.27 × 93.41
  4. Step 4: Simplify right side
    298.84x = 41,872.70
  5. Step 5: Solve for x
    x = 41,872.70/298.84
  6. Step 6: Final answer
    x = 140.12

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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.