Home / 1,149.02-1,723.38-368.96

Finding the Fourth Proportional to 1,149.02, 1,723.38 and 368.96

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Solution

The fourth proportional to 1,149.02, 1,723.38 and 368.96 is: 553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.02 : 1,723.38 = 368.96 : x
  2. Step 2: Convert to fraction form
    1,149.02/1,723.38 = 368.96/x
  3. Step 3: Cross multiply
    1,149.02x = 1,723.38 × 368.96
  4. Step 4: Simplify right side
    1,149.02x = 635,849.67
  5. Step 5: Solve for x
    x = 635,849.67/1,149.02
  6. Step 6: Final answer
    x = 553.39

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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.