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Finding the Fourth Proportional to 358.05, 536.16 and 235.94

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Solution

The fourth proportional to 358.05, 536.16 and 235.94 is: 353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.05 : 536.16 = 235.94 : x
  2. Step 2: Convert to fraction form
    358.05/536.16 = 235.94/x
  3. Step 3: Cross multiply
    358.05x = 536.16 × 235.94
  4. Step 4: Simplify right side
    358.05x = 126,501.59
  5. Step 5: Solve for x
    x = 126,501.59/358.05
  6. Step 6: Final answer
    x = 353.31

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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.