Home / 885.03-1,327.59-268.89

Finding the Fourth Proportional to 885.03, 1,327.59 and 268.89

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Solution

The fourth proportional to 885.03, 1,327.59 and 268.89 is: 403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.03 : 1,327.59 = 268.89 : x
  2. Step 2: Convert to fraction form
    885.03/1,327.59 = 268.89/x
  3. Step 3: Cross multiply
    885.03x = 1,327.59 × 268.89
  4. Step 4: Simplify right side
    885.03x = 356,975.68
  5. Step 5: Solve for x
    x = 356,975.68/885.03
  6. Step 6: Final answer
    x = 403.35

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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.