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Finding the Fourth Proportional to 952.97, 1,429.22 and 328.19

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Solution

The fourth proportional to 952.97, 1,429.22 and 328.19 is: 492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.97 : 1,429.22 = 328.19 : x
  2. Step 2: Convert to fraction form
    952.97/1,429.22 = 328.19/x
  3. Step 3: Cross multiply
    952.97x = 1,429.22 × 328.19
  4. Step 4: Simplify right side
    952.97x = 469,055.71
  5. Step 5: Solve for x
    x = 469,055.71/952.97
  6. Step 6: Final answer
    x = 492.20

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Double scale
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1.5x scale

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.