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Finding the Fourth Proportional to 341.10, 467.94 and 320.15

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Solution

The fourth proportional to 341.10, 467.94 and 320.15 is: 439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.10 : 467.94 = 320.15 : x
  2. Step 2: Convert to fraction form
    341.10/467.94 = 320.15/x
  3. Step 3: Cross multiply
    341.10x = 467.94 × 320.15
  4. Step 4: Simplify right side
    341.10x = 149,808.65
  5. Step 5: Solve for x
    x = 149,808.65/341.10
  6. Step 6: Final answer
    x = 439.19

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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.