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Finding the Fourth Proportional to 952.76, 1,429.07 and 259.41

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Solution

The fourth proportional to 952.76, 1,429.07 and 259.41 is: 389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.76 : 1,429.07 = 259.41 : x
  2. Step 2: Convert to fraction form
    952.76/1,429.07 = 259.41/x
  3. Step 3: Cross multiply
    952.76x = 1,429.07 × 259.41
  4. Step 4: Simplify right side
    952.76x = 370,713.75
  5. Step 5: Solve for x
    x = 370,713.75/952.76
  6. Step 6: Final answer
    x = 389.10

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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.