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Finding the Fourth Proportional to 322.03, 485.55 and 295.03

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Solution

The fourth proportional to 322.03, 485.55 and 295.03 is: 444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.03 : 485.55 = 295.03 : x
  2. Step 2: Convert to fraction form
    322.03/485.55 = 295.03/x
  3. Step 3: Cross multiply
    322.03x = 485.55 × 295.03
  4. Step 4: Simplify right side
    322.03x = 143,251.82
  5. Step 5: Solve for x
    x = 143,251.82/322.03
  6. Step 6: Final answer
    x = 444.84

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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.