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Finding the Fourth Proportional to 1.54, 2.32 and 1.44

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Solution

The fourth proportional to 1.54, 2.32 and 1.44 is: 2.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.54 : 2.32 = 1.44 : x
  2. Step 2: Convert to fraction form
    1.54/2.32 = 1.44/x
  3. Step 3: Cross multiply
    1.54x = 2.32 × 1.44
  4. Step 4: Simplify right side
    1.54x = 3.34
  5. Step 5: Solve for x
    x = 3.34/1.54
  6. Step 6: Final answer
    x = 2.17

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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.