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Finding the Fourth Proportional to 4, 5.99 and 3.59

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Solution

The fourth proportional to 4, 5.99 and 3.59 is: 5.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4 : 5.99 = 3.59 : x
  2. Step 2: Convert to fraction form
    4/5.99 = 3.59/x
  3. Step 3: Cross multiply
    4x = 5.99 × 3.59
  4. Step 4: Simplify right side
    4x = 21.50
  5. Step 5: Solve for x
    x = 21.50/4
  6. Step 6: Final answer
    x = 5.38

Related Problems

Find fourth proportional to 2, 3.00 and 1.80
Half scale
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Double scale
Find fourth proportional to 5, 7.49 and 4.59
Similar ratio
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1.5x scale

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.