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Finding the Fourth Proportional to 292.10, 437.82 and 223.44

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Solution

The fourth proportional to 292.10, 437.82 and 223.44 is: 334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.10 : 437.82 = 223.44 : x
  2. Step 2: Convert to fraction form
    292.10/437.82 = 223.44/x
  3. Step 3: Cross multiply
    292.10x = 437.82 × 223.44
  4. Step 4: Simplify right side
    292.10x = 97,826.50
  5. Step 5: Solve for x
    x = 97,826.50/292.10
  6. Step 6: Final answer
    x = 334.91

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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.