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Finding the Fourth Proportional to 1,483.18, 2,225.63 and 605.54

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Solution

The fourth proportional to 1,483.18, 2,225.63 and 605.54 is: 908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.18 : 2,225.63 = 605.54 : x
  2. Step 2: Convert to fraction form
    1,483.18/2,225.63 = 605.54/x
  3. Step 3: Cross multiply
    1,483.18x = 2,225.63 × 605.54
  4. Step 4: Simplify right side
    1,483.18x = 1,347,710.53
  5. Step 5: Solve for x
    x = 1,347,710.53/1,483.18
  6. Step 6: Final answer
    x = 908.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.