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Finding the Fourth Proportional to 379.30, 566.04 and 338.29

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Solution

The fourth proportional to 379.30, 566.04 and 338.29 is: 504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.30 : 566.04 = 338.29 : x
  2. Step 2: Convert to fraction form
    379.30/566.04 = 338.29/x
  3. Step 3: Cross multiply
    379.30x = 566.04 × 338.29
  4. Step 4: Simplify right side
    379.30x = 191,482.84
  5. Step 5: Solve for x
    x = 191,482.84/379.30
  6. Step 6: Final answer
    x = 504.84

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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.