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Finding the Fourth Proportional to 17.02, 23.49 and 9.75

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Solution

The fourth proportional to 17.02, 23.49 and 9.75 is: 13.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.02 : 23.49 = 9.75 : x
  2. Step 2: Convert to fraction form
    17.02/23.49 = 9.75/x
  3. Step 3: Cross multiply
    17.02x = 23.49 × 9.75
  4. Step 4: Simplify right side
    17.02x = 228.89
  5. Step 5: Solve for x
    x = 228.89/17.02
  6. Step 6: Final answer
    x = 13.45

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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.