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Finding the Fourth Proportional to 1,233.81, 1,701.34 and 967.75

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Solution

The fourth proportional to 1,233.81, 1,701.34 and 967.75 is: 1,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.81 : 1,701.34 = 967.75 : x
  2. Step 2: Convert to fraction form
    1,233.81/1,701.34 = 967.75/x
  3. Step 3: Cross multiply
    1,233.81x = 1,701.34 × 967.75
  4. Step 4: Simplify right side
    1,233.81x = 1,646,471.79
  5. Step 5: Solve for x
    x = 1,646,471.79/1,233.81
  6. Step 6: Final answer
    x = 1,334.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.