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Finding the Fourth Proportional to 242.37, 333.77 and 237.00

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Solution

The fourth proportional to 242.37, 333.77 and 237.00 is: 326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.37 : 333.77 = 237.00 : x
  2. Step 2: Convert to fraction form
    242.37/333.77 = 237.00/x
  3. Step 3: Cross multiply
    242.37x = 333.77 × 237.00
  4. Step 4: Simplify right side
    242.37x = 79,103.56
  5. Step 5: Solve for x
    x = 79,103.56/242.37
  6. Step 6: Final answer
    x = 326.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.