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Finding the Fourth Proportional to 357.63, 536.45 and 195.36

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Solution

The fourth proportional to 357.63, 536.45 and 195.36 is: 293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.63 : 536.45 = 195.36 : x
  2. Step 2: Convert to fraction form
    357.63/536.45 = 195.36/x
  3. Step 3: Cross multiply
    357.63x = 536.45 × 195.36
  4. Step 4: Simplify right side
    357.63x = 104,799.90
  5. Step 5: Solve for x
    x = 104,799.90/357.63
  6. Step 6: Final answer
    x = 293.04

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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.