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Finding the Fourth Proportional to 362.63, 544.18 and 134.63

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Solution

The fourth proportional to 362.63, 544.18 and 134.63 is: 202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.63 : 544.18 = 134.63 : x
  2. Step 2: Convert to fraction form
    362.63/544.18 = 134.63/x
  3. Step 3: Cross multiply
    362.63x = 544.18 × 134.63
  4. Step 4: Simplify right side
    362.63x = 73,260.23
  5. Step 5: Solve for x
    x = 73,260.23/362.63
  6. Step 6: Final answer
    x = 202.03

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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.