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Finding the Fourth Proportional to 3.70, 5.04 and 3.68

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Solution

The fourth proportional to 3.70, 5.04 and 3.68 is: 5.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.70 : 5.04 = 3.68 : x
  2. Step 2: Convert to fraction form
    3.70/5.04 = 3.68/x
  3. Step 3: Cross multiply
    3.70x = 5.04 × 3.68
  4. Step 4: Simplify right side
    3.70x = 18.55
  5. Step 5: Solve for x
    x = 18.55/3.70
  6. Step 6: Final answer
    x = 5.01

Related Problems

Find fourth proportional to 1.85, 2.52 and 1.84
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.