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Finding the Fourth Proportional to 246.51, 368.96 and 164.79

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Solution

The fourth proportional to 246.51, 368.96 and 164.79 is: 246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.51 : 368.96 = 164.79 : x
  2. Step 2: Convert to fraction form
    246.51/368.96 = 164.79/x
  3. Step 3: Cross multiply
    246.51x = 368.96 × 164.79
  4. Step 4: Simplify right side
    246.51x = 60,800.09
  5. Step 5: Solve for x
    x = 60,800.09/246.51
  6. Step 6: Final answer
    x = 246.64

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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.