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Finding the Fourth Proportional to 324.01, 446.89 and 230.65

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Solution

The fourth proportional to 324.01, 446.89 and 230.65 is: 318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.01 : 446.89 = 230.65 : x
  2. Step 2: Convert to fraction form
    324.01/446.89 = 230.65/x
  3. Step 3: Cross multiply
    324.01x = 446.89 × 230.65
  4. Step 4: Simplify right side
    324.01x = 103,075.18
  5. Step 5: Solve for x
    x = 103,075.18/324.01
  6. Step 6: Final answer
    x = 318.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.