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Finding the Fourth Proportional to 297.01, 410.12 and 186.67

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Solution

The fourth proportional to 297.01, 410.12 and 186.67 is: 257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.01 : 410.12 = 186.67 : x
  2. Step 2: Convert to fraction form
    297.01/410.12 = 186.67/x
  3. Step 3: Cross multiply
    297.01x = 410.12 × 186.67
  4. Step 4: Simplify right side
    297.01x = 76,557.10
  5. Step 5: Solve for x
    x = 76,557.10/297.01
  6. Step 6: Final answer
    x = 257.76

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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.