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Finding the Fourth Proportional to 883.49, 1,325.21 and 234.23

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Solution

The fourth proportional to 883.49, 1,325.21 and 234.23 is: 351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.49 : 1,325.21 = 234.23 : x
  2. Step 2: Convert to fraction form
    883.49/1,325.21 = 234.23/x
  3. Step 3: Cross multiply
    883.49x = 1,325.21 × 234.23
  4. Step 4: Simplify right side
    883.49x = 310,396.14
  5. Step 5: Solve for x
    x = 310,396.14/883.49
  6. Step 6: Final answer
    x = 351.33

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Half scale
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Double scale
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Similar ratio
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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.