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Finding the Fourth Proportional to 203.64, 279.60 and 184.20

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Solution

The fourth proportional to 203.64, 279.60 and 184.20 is: 252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.64 : 279.60 = 184.20 : x
  2. Step 2: Convert to fraction form
    203.64/279.60 = 184.20/x
  3. Step 3: Cross multiply
    203.64x = 279.60 × 184.20
  4. Step 4: Simplify right side
    203.64x = 51,502.32
  5. Step 5: Solve for x
    x = 51,502.32/203.64
  6. Step 6: Final answer
    x = 252.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.