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Finding the Fourth Proportional to 358.94, 534.81 and 335.37

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Solution

The fourth proportional to 358.94, 534.81 and 335.37 is: 499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.94 : 534.81 = 335.37 : x
  2. Step 2: Convert to fraction form
    358.94/534.81 = 335.37/x
  3. Step 3: Cross multiply
    358.94x = 534.81 × 335.37
  4. Step 4: Simplify right side
    358.94x = 179,357.55
  5. Step 5: Solve for x
    x = 179,357.55/358.94
  6. Step 6: Final answer
    x = 499.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.