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Finding the Fourth Proportional to 164.04, 246.04 and 54.34

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Solution

The fourth proportional to 164.04, 246.04 and 54.34 is: 81.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.04 : 246.04 = 54.34 : x
  2. Step 2: Convert to fraction form
    164.04/246.04 = 54.34/x
  3. Step 3: Cross multiply
    164.04x = 246.04 × 54.34
  4. Step 4: Simplify right side
    164.04x = 13,369.81
  5. Step 5: Solve for x
    x = 13,369.81/164.04
  6. Step 6: Final answer
    x = 81.50

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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.