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Finding the Fourth Proportional to 1,341.48, 2,012.28 and 367.56

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Solution

The fourth proportional to 1,341.48, 2,012.28 and 367.56 is: 551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.48 : 2,012.28 = 367.56 : x
  2. Step 2: Convert to fraction form
    1,341.48/2,012.28 = 367.56/x
  3. Step 3: Cross multiply
    1,341.48x = 2,012.28 × 367.56
  4. Step 4: Simplify right side
    1,341.48x = 739,633.64
  5. Step 5: Solve for x
    x = 739,633.64/1,341.48
  6. Step 6: Final answer
    x = 551.36

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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.