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Finding the Fourth Proportional to 262.82, 362.73 and 152.31

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Solution

The fourth proportional to 262.82, 362.73 and 152.31 is: 210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.82 : 362.73 = 152.31 : x
  2. Step 2: Convert to fraction form
    262.82/362.73 = 152.31/x
  3. Step 3: Cross multiply
    262.82x = 362.73 × 152.31
  4. Step 4: Simplify right side
    262.82x = 55,245.42
  5. Step 5: Solve for x
    x = 55,245.42/262.82
  6. Step 6: Final answer
    x = 210.20

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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.