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Finding the Fourth Proportional to 959.97, 1,324.67 and 566.94

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Solution

The fourth proportional to 959.97, 1,324.67 and 566.94 is: 782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.97 : 1,324.67 = 566.94 : x
  2. Step 2: Convert to fraction form
    959.97/1,324.67 = 566.94/x
  3. Step 3: Cross multiply
    959.97x = 1,324.67 × 566.94
  4. Step 4: Simplify right side
    959.97x = 751,005.58
  5. Step 5: Solve for x
    x = 751,005.58/959.97
  6. Step 6: Final answer
    x = 782.32

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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.