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Finding the Fourth Proportional to 19.34, 29.03 and 17.93

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Solution

The fourth proportional to 19.34, 29.03 and 17.93 is: 26.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.34 : 29.03 = 17.93 : x
  2. Step 2: Convert to fraction form
    19.34/29.03 = 17.93/x
  3. Step 3: Cross multiply
    19.34x = 29.03 × 17.93
  4. Step 4: Simplify right side
    19.34x = 520.27
  5. Step 5: Solve for x
    x = 520.27/19.34
  6. Step 6: Final answer
    x = 26.91

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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.