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Finding the Fourth Proportional to 358.04, 537.40 and 236.38

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Solution

The fourth proportional to 358.04, 537.40 and 236.38 is: 354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.04 : 537.40 = 236.38 : x
  2. Step 2: Convert to fraction form
    358.04/537.40 = 236.38/x
  3. Step 3: Cross multiply
    358.04x = 537.40 × 236.38
  4. Step 4: Simplify right side
    358.04x = 127,030.61
  5. Step 5: Solve for x
    x = 127,030.61/358.04
  6. Step 6: Final answer
    x = 354.79

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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.