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Finding the Fourth Proportional to 325.06, 484.36 and 309.37

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Solution

The fourth proportional to 325.06, 484.36 and 309.37 is: 460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.06 : 484.36 = 309.37 : x
  2. Step 2: Convert to fraction form
    325.06/484.36 = 309.37/x
  3. Step 3: Cross multiply
    325.06x = 484.36 × 309.37
  4. Step 4: Simplify right side
    325.06x = 149,846.45
  5. Step 5: Solve for x
    x = 149,846.45/325.06
  6. Step 6: Final answer
    x = 460.98

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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.