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Finding the Fourth Proportional to 297.99, 411.24 and 167.00

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Solution

The fourth proportional to 297.99, 411.24 and 167.00 is: 230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.99 : 411.24 = 167.00 : x
  2. Step 2: Convert to fraction form
    297.99/411.24 = 167.00/x
  3. Step 3: Cross multiply
    297.99x = 411.24 × 167.00
  4. Step 4: Simplify right side
    297.99x = 68,675.02
  5. Step 5: Solve for x
    x = 68,675.02/297.99
  6. Step 6: Final answer
    x = 230.46

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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.