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Finding the Fourth Proportional to 358.41, 537.57 and 114.93

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Solution

The fourth proportional to 358.41, 537.57 and 114.93 is: 172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.41 : 537.57 = 114.93 : x
  2. Step 2: Convert to fraction form
    358.41/537.57 = 114.93/x
  3. Step 3: Cross multiply
    358.41x = 537.57 × 114.93
  4. Step 4: Simplify right side
    358.41x = 61,782.92
  5. Step 5: Solve for x
    x = 61,782.92/358.41
  6. Step 6: Final answer
    x = 172.38

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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.