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Finding the Fourth Proportional to 701.29, 967.72 and 406.58

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Solution

The fourth proportional to 701.29, 967.72 and 406.58 is: 561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.29 : 967.72 = 406.58 : x
  2. Step 2: Convert to fraction form
    701.29/967.72 = 406.58/x
  3. Step 3: Cross multiply
    701.29x = 967.72 × 406.58
  4. Step 4: Simplify right side
    701.29x = 393,449.74
  5. Step 5: Solve for x
    x = 393,449.74/701.29
  6. Step 6: Final answer
    x = 561.04

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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.