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Finding the Fourth Proportional to 16.07, 22.18 and 14.99

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Solution

The fourth proportional to 16.07, 22.18 and 14.99 is: 20.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.07 : 22.18 = 14.99 : x
  2. Step 2: Convert to fraction form
    16.07/22.18 = 14.99/x
  3. Step 3: Cross multiply
    16.07x = 22.18 × 14.99
  4. Step 4: Simplify right side
    16.07x = 332.48
  5. Step 5: Solve for x
    x = 332.48/16.07
  6. Step 6: Final answer
    x = 20.69

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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.