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Finding the Fourth Proportional to 325.03, 484.29 and 316.33

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Solution

The fourth proportional to 325.03, 484.29 and 316.33 is: 471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.03 : 484.29 = 316.33 : x
  2. Step 2: Convert to fraction form
    325.03/484.29 = 316.33/x
  3. Step 3: Cross multiply
    325.03x = 484.29 × 316.33
  4. Step 4: Simplify right side
    325.03x = 153,195.46
  5. Step 5: Solve for x
    x = 153,195.46/325.03
  6. Step 6: Final answer
    x = 471.33

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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.