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Finding the Fourth Proportional to 297.10, 410.01 and 166.11

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Solution

The fourth proportional to 297.10, 410.01 and 166.11 is: 229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.10 : 410.01 = 166.11 : x
  2. Step 2: Convert to fraction form
    297.10/410.01 = 166.11/x
  3. Step 3: Cross multiply
    297.10x = 410.01 × 166.11
  4. Step 4: Simplify right side
    297.10x = 68,106.76
  5. Step 5: Solve for x
    x = 68,106.76/297.10
  6. Step 6: Final answer
    x = 229.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.