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Finding the Fourth Proportional to 19.46, 29.19 and 5.93

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Solution

The fourth proportional to 19.46, 29.19 and 5.93 is: 8.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.46 : 29.19 = 5.93 : x
  2. Step 2: Convert to fraction form
    19.46/29.19 = 5.93/x
  3. Step 3: Cross multiply
    19.46x = 29.19 × 5.93
  4. Step 4: Simplify right side
    19.46x = 173.10
  5. Step 5: Solve for x
    x = 173.10/19.46
  6. Step 6: Final answer
    x = 8.90

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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.