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Finding the Fourth Proportional to 324.63, 484.52 and 303.21

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Solution

The fourth proportional to 324.63, 484.52 and 303.21 is: 452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.63 : 484.52 = 303.21 : x
  2. Step 2: Convert to fraction form
    324.63/484.52 = 303.21/x
  3. Step 3: Cross multiply
    324.63x = 484.52 × 303.21
  4. Step 4: Simplify right side
    324.63x = 146,909.79
  5. Step 5: Solve for x
    x = 146,909.79/324.63
  6. Step 6: Final answer
    x = 452.55

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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.