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Finding the Fourth Proportional to 297.16, 444.75 and 198.01

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Solution

The fourth proportional to 297.16, 444.75 and 198.01 is: 296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.16 : 444.75 = 198.01 : x
  2. Step 2: Convert to fraction form
    297.16/444.75 = 198.01/x
  3. Step 3: Cross multiply
    297.16x = 444.75 × 198.01
  4. Step 4: Simplify right side
    297.16x = 88,064.95
  5. Step 5: Solve for x
    x = 88,064.95/297.16
  6. Step 6: Final answer
    x = 296.36

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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.