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Finding the Fourth Proportional to 335.18, 462.57 and 187.83

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Solution

The fourth proportional to 335.18, 462.57 and 187.83 is: 259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.18 : 462.57 = 187.83 : x
  2. Step 2: Convert to fraction form
    335.18/462.57 = 187.83/x
  3. Step 3: Cross multiply
    335.18x = 462.57 × 187.83
  4. Step 4: Simplify right side
    335.18x = 86,883.49
  5. Step 5: Solve for x
    x = 86,883.49/335.18
  6. Step 6: Final answer
    x = 259.21

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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.