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Finding the Fourth Proportional to 1.50, 2.06 and 1.34

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Solution

The fourth proportional to 1.50, 2.06 and 1.34 is: 1.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.50 : 2.06 = 1.34 : x
  2. Step 2: Convert to fraction form
    1.50/2.06 = 1.34/x
  3. Step 3: Cross multiply
    1.50x = 2.06 × 1.34
  4. Step 4: Simplify right side
    1.50x = 2.75
  5. Step 5: Solve for x
    x = 2.75/1.50
  6. Step 6: Final answer
    x = 1.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.