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Finding the Fourth Proportional to 281.58, 388.37 and 182.01

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Solution

The fourth proportional to 281.58, 388.37 and 182.01 is: 251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.58 : 388.37 = 182.01 : x
  2. Step 2: Convert to fraction form
    281.58/388.37 = 182.01/x
  3. Step 3: Cross multiply
    281.58x = 388.37 × 182.01
  4. Step 4: Simplify right side
    281.58x = 70,686.31
  5. Step 5: Solve for x
    x = 70,686.31/281.58
  6. Step 6: Final answer
    x = 251.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.