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Finding the Fourth Proportional to 297.35, 446.03 and 104.98

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Solution

The fourth proportional to 297.35, 446.03 and 104.98 is: 157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.35 : 446.03 = 104.98 : x
  2. Step 2: Convert to fraction form
    297.35/446.03 = 104.98/x
  3. Step 3: Cross multiply
    297.35x = 446.03 × 104.98
  4. Step 4: Simplify right side
    297.35x = 46,824.23
  5. Step 5: Solve for x
    x = 46,824.23/297.35
  6. Step 6: Final answer
    x = 157.47

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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.