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Finding the Fourth Proportional to 358.09, 494.24 and 233.53

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Solution

The fourth proportional to 358.09, 494.24 and 233.53 is: 322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.09 : 494.24 = 233.53 : x
  2. Step 2: Convert to fraction form
    358.09/494.24 = 233.53/x
  3. Step 3: Cross multiply
    358.09x = 494.24 × 233.53
  4. Step 4: Simplify right side
    358.09x = 115,417.40
  5. Step 5: Solve for x
    x = 115,417.40/358.09
  6. Step 6: Final answer
    x = 322.32

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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.