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Finding the Fourth Proportional to 322.52, 481.25 and 302.93

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Solution

The fourth proportional to 322.52, 481.25 and 302.93 is: 452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.52 : 481.25 = 302.93 : x
  2. Step 2: Convert to fraction form
    322.52/481.25 = 302.93/x
  3. Step 3: Cross multiply
    322.52x = 481.25 × 302.93
  4. Step 4: Simplify right side
    322.52x = 145,785.06
  5. Step 5: Solve for x
    x = 145,785.06/322.52
  6. Step 6: Final answer
    x = 452.02

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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.