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Finding the Fourth Proportional to 3, 4.53 and 2.97

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Solution

The fourth proportional to 3, 4.53 and 2.97 is: 4.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3 : 4.53 = 2.97 : x
  2. Step 2: Convert to fraction form
    3/4.53 = 2.97/x
  3. Step 3: Cross multiply
    3x = 4.53 × 2.97
  4. Step 4: Simplify right side
    3x = 13.44
  5. Step 5: Solve for x
    x = 13.44/3
  6. Step 6: Final answer
    x = 4.48

Related Problems

Find fourth proportional to 1.50, 2.26 and 1.49
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.