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Finding the Fourth Proportional to 24, 33.17 and 18.58

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Solution

The fourth proportional to 24, 33.17 and 18.58 is: 25.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24 : 33.17 = 18.58 : x
  2. Step 2: Convert to fraction form
    24/33.17 = 18.58/x
  3. Step 3: Cross multiply
    24x = 33.17 × 18.58
  4. Step 4: Simplify right side
    24x = 616.12
  5. Step 5: Solve for x
    x = 616.12/24
  6. Step 6: Final answer
    x = 25.67

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1.5x scale

Why These Related Problems?

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