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Finding the Fourth Proportional to 325.44, 483.80 and 317.44

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Solution

The fourth proportional to 325.44, 483.80 and 317.44 is: 471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.44 : 483.80 = 317.44 : x
  2. Step 2: Convert to fraction form
    325.44/483.80 = 317.44/x
  3. Step 3: Cross multiply
    325.44x = 483.80 × 317.44
  4. Step 4: Simplify right side
    325.44x = 153,577.47
  5. Step 5: Solve for x
    x = 153,577.47/325.44
  6. Step 6: Final answer
    x = 471.91

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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.