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Finding the Fourth Proportional to 293.58, 440.52 and 221.88

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Solution

The fourth proportional to 293.58, 440.52 and 221.88 is: 332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.58 : 440.52 = 221.88 : x
  2. Step 2: Convert to fraction form
    293.58/440.52 = 221.88/x
  3. Step 3: Cross multiply
    293.58x = 440.52 × 221.88
  4. Step 4: Simplify right side
    293.58x = 97,742.58
  5. Step 5: Solve for x
    x = 97,742.58/293.58
  6. Step 6: Final answer
    x = 332.93

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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.