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Finding the Fourth Proportional to 1,025.68, 1,537.74 and 367.15

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Solution

The fourth proportional to 1,025.68, 1,537.74 and 367.15 is: 550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.68 : 1,537.74 = 367.15 : x
  2. Step 2: Convert to fraction form
    1,025.68/1,537.74 = 367.15/x
  3. Step 3: Cross multiply
    1,025.68x = 1,537.74 × 367.15
  4. Step 4: Simplify right side
    1,025.68x = 564,577.40
  5. Step 5: Solve for x
    x = 564,577.40/1,025.68
  6. Step 6: Final answer
    x = 550.44

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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.