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Finding the Fourth Proportional to 3.01, 4.52 and 0.76

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Solution

The fourth proportional to 3.01, 4.52 and 0.76 is: 1.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.01 : 4.52 = 0.76 : x
  2. Step 2: Convert to fraction form
    3.01/4.52 = 0.76/x
  3. Step 3: Cross multiply
    3.01x = 4.52 × 0.76
  4. Step 4: Simplify right side
    3.01x = 3.43
  5. Step 5: Solve for x
    x = 3.43/3.01
  6. Step 6: Final answer
    x = 1.14

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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.