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Finding the Fourth Proportional to 324.06, 488.52 and 303.18

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Solution

The fourth proportional to 324.06, 488.52 and 303.18 is: 457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.06 : 488.52 = 303.18 : x
  2. Step 2: Convert to fraction form
    324.06/488.52 = 303.18/x
  3. Step 3: Cross multiply
    324.06x = 488.52 × 303.18
  4. Step 4: Simplify right side
    324.06x = 148,109.49
  5. Step 5: Solve for x
    x = 148,109.49/324.06
  6. Step 6: Final answer
    x = 457.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.