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Finding the Fourth Proportional to 292.36, 437.74 and 231.88

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Solution

The fourth proportional to 292.36, 437.74 and 231.88 is: 347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.36 : 437.74 = 231.88 : x
  2. Step 2: Convert to fraction form
    292.36/437.74 = 231.88/x
  3. Step 3: Cross multiply
    292.36x = 437.74 × 231.88
  4. Step 4: Simplify right side
    292.36x = 101,503.15
  5. Step 5: Solve for x
    x = 101,503.15/292.36
  6. Step 6: Final answer
    x = 347.19

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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.