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Finding the Fourth Proportional to 203.24, 304.76 and 73.24

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Solution

The fourth proportional to 203.24, 304.76 and 73.24 is: 109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.24 : 304.76 = 73.24 : x
  2. Step 2: Convert to fraction form
    203.24/304.76 = 73.24/x
  3. Step 3: Cross multiply
    203.24x = 304.76 × 73.24
  4. Step 4: Simplify right side
    203.24x = 22,320.04
  5. Step 5: Solve for x
    x = 22,320.04/203.24
  6. Step 6: Final answer
    x = 109.82

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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.