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Finding the Fourth Proportional to 325.59, 488.45 and 94.48

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Solution

The fourth proportional to 325.59, 488.45 and 94.48 is: 141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.59 : 488.45 = 94.48 : x
  2. Step 2: Convert to fraction form
    325.59/488.45 = 94.48/x
  3. Step 3: Cross multiply
    325.59x = 488.45 × 94.48
  4. Step 4: Simplify right side
    325.59x = 46,150.39
  5. Step 5: Solve for x
    x = 46,150.39/325.59
  6. Step 6: Final answer
    x = 141.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.