Home / 1,305.04-1,957.58-331.14

Finding the Fourth Proportional to 1,305.04, 1,957.58 and 331.14

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Solution

The fourth proportional to 1,305.04, 1,957.58 and 331.14 is: 496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.04 : 1,957.58 = 331.14 : x
  2. Step 2: Convert to fraction form
    1,305.04/1,957.58 = 331.14/x
  3. Step 3: Cross multiply
    1,305.04x = 1,957.58 × 331.14
  4. Step 4: Simplify right side
    1,305.04x = 648,233.04
  5. Step 5: Solve for x
    x = 648,233.04/1,305.04
  6. Step 6: Final answer
    x = 496.72

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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.