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Finding the Fourth Proportional to 18.41, 25.07 and 18.36

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Solution

The fourth proportional to 18.41, 25.07 and 18.36 is: 25.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.41 : 25.07 = 18.36 : x
  2. Step 2: Convert to fraction form
    18.41/25.07 = 18.36/x
  3. Step 3: Cross multiply
    18.41x = 25.07 × 18.36
  4. Step 4: Simplify right side
    18.41x = 460.19
  5. Step 5: Solve for x
    x = 460.19/18.41
  6. Step 6: Final answer
    x = 25.00

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.