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Finding the Fourth Proportional to 375.12, 559.08 and 301.68

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Solution

The fourth proportional to 375.12, 559.08 and 301.68 is: 449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.12 : 559.08 = 301.68 : x
  2. Step 2: Convert to fraction form
    375.12/559.08 = 301.68/x
  3. Step 3: Cross multiply
    375.12x = 559.08 × 301.68
  4. Step 4: Simplify right side
    375.12x = 168,663.25
  5. Step 5: Solve for x
    x = 168,663.25/375.12
  6. Step 6: Final answer
    x = 449.62

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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.