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Finding the Fourth Proportional to 164.80, 233.62 and 164.80

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Solution

The fourth proportional to 164.80, 233.62 and 164.80 is: 233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.80 : 233.62 = 164.80 : x
  2. Step 2: Convert to fraction form
    164.80/233.62 = 164.80/x
  3. Step 3: Cross multiply
    164.80x = 233.62 × 164.80
  4. Step 4: Simplify right side
    164.80x = 38,500.58
  5. Step 5: Solve for x
    x = 38,500.58/164.80
  6. Step 6: Final answer
    x = 233.62

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.