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Finding the Fourth Proportional to 70.07, 105.10 and 24.41

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Solution

The fourth proportional to 70.07, 105.10 and 24.41 is: 36.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.07 : 105.10 = 24.41 : x
  2. Step 2: Convert to fraction form
    70.07/105.10 = 24.41/x
  3. Step 3: Cross multiply
    70.07x = 105.10 × 24.41
  4. Step 4: Simplify right side
    70.07x = 2,564.90
  5. Step 5: Solve for x
    x = 2,564.90/70.07
  6. Step 6: Final answer
    x = 36.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.