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Finding the Fourth Proportional to 17.18, 23.70 and 12.32

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Solution

The fourth proportional to 17.18, 23.70 and 12.32 is: 17.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.18 : 23.70 = 12.32 : x
  2. Step 2: Convert to fraction form
    17.18/23.70 = 12.32/x
  3. Step 3: Cross multiply
    17.18x = 23.70 × 12.32
  4. Step 4: Simplify right side
    17.18x = 291.98
  5. Step 5: Solve for x
    x = 291.98/17.18
  6. Step 6: Final answer
    x = 17.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.