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Finding the Fourth Proportional to 358.16, 536.34 and 195.44

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Solution

The fourth proportional to 358.16, 536.34 and 195.44 is: 292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.16 : 536.34 = 195.44 : x
  2. Step 2: Convert to fraction form
    358.16/536.34 = 195.44/x
  3. Step 3: Cross multiply
    358.16x = 536.34 × 195.44
  4. Step 4: Simplify right side
    358.16x = 104,822.29
  5. Step 5: Solve for x
    x = 104,822.29/358.16
  6. Step 6: Final answer
    x = 292.67

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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.