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Finding the Fourth Proportional to 30.03, 44.81 and 24.99

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Solution

The fourth proportional to 30.03, 44.81 and 24.99 is: 37.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.03 : 44.81 = 24.99 : x
  2. Step 2: Convert to fraction form
    30.03/44.81 = 24.99/x
  3. Step 3: Cross multiply
    30.03x = 44.81 × 24.99
  4. Step 4: Simplify right side
    30.03x = 1,119.68
  5. Step 5: Solve for x
    x = 1,119.68/30.03
  6. Step 6: Final answer
    x = 37.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.