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Finding the Fourth Proportional to 335, 462.66 and 230.37

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Solution

The fourth proportional to 335, 462.66 and 230.37 is: 318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335 : 462.66 = 230.37 : x
  2. Step 2: Convert to fraction form
    335/462.66 = 230.37/x
  3. Step 3: Cross multiply
    335x = 462.66 × 230.37
  4. Step 4: Simplify right side
    335x = 106,582.98
  5. Step 5: Solve for x
    x = 106,582.98/335
  6. Step 6: Final answer
    x = 318.16

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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.