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Finding the Fourth Proportional to 358.02, 490.86 and 341.01

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Solution

The fourth proportional to 358.02, 490.86 and 341.01 is: 467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.02 : 490.86 = 341.01 : x
  2. Step 2: Convert to fraction form
    358.02/490.86 = 341.01/x
  3. Step 3: Cross multiply
    358.02x = 490.86 × 341.01
  4. Step 4: Simplify right side
    358.02x = 167,388.17
  5. Step 5: Solve for x
    x = 167,388.17/358.02
  6. Step 6: Final answer
    x = 467.54

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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.