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Finding the Fourth Proportional to 482.04, 722.43 and 193.68

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Solution

The fourth proportional to 482.04, 722.43 and 193.68 is: 290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.04 : 722.43 = 193.68 : x
  2. Step 2: Convert to fraction form
    482.04/722.43 = 193.68/x
  3. Step 3: Cross multiply
    482.04x = 722.43 × 193.68
  4. Step 4: Simplify right side
    482.04x = 139,922.53
  5. Step 5: Solve for x
    x = 139,922.53/482.04
  6. Step 6: Final answer
    x = 290.27

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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.