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Finding the Fourth Proportional to 358.70, 491.74 and 341.08

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Solution

The fourth proportional to 358.70, 491.74 and 341.08 is: 467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.70 : 491.74 = 341.08 : x
  2. Step 2: Convert to fraction form
    358.70/491.74 = 341.08/x
  3. Step 3: Cross multiply
    358.70x = 491.74 × 341.08
  4. Step 4: Simplify right side
    358.70x = 167,720.60
  5. Step 5: Solve for x
    x = 167,720.60/358.70
  6. Step 6: Final answer
    x = 467.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.