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Finding the Fourth Proportional to 292.23, 437.64 and 238.01

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Solution

The fourth proportional to 292.23, 437.64 and 238.01 is: 356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.23 : 437.64 = 238.01 : x
  2. Step 2: Convert to fraction form
    292.23/437.64 = 238.01/x
  3. Step 3: Cross multiply
    292.23x = 437.64 × 238.01
  4. Step 4: Simplify right side
    292.23x = 104,160.51
  5. Step 5: Solve for x
    x = 104,160.51/292.23
  6. Step 6: Final answer
    x = 356.43

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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.