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Finding the Fourth Proportional to 4.27, 5.88 and 3.19

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Solution

The fourth proportional to 4.27, 5.88 and 3.19 is: 4.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.27 : 5.88 = 3.19 : x
  2. Step 2: Convert to fraction form
    4.27/5.88 = 3.19/x
  3. Step 3: Cross multiply
    4.27x = 5.88 × 3.19
  4. Step 4: Simplify right side
    4.27x = 18.76
  5. Step 5: Solve for x
    x = 18.76/4.27
  6. Step 6: Final answer
    x = 4.39

Related Problems

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Double scale
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1.5x scale

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.