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Finding the Fourth Proportional to 696.40, 1,044.41 and 234.19

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Solution

The fourth proportional to 696.40, 1,044.41 and 234.19 is: 351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.40 : 1,044.41 = 234.19 : x
  2. Step 2: Convert to fraction form
    696.40/1,044.41 = 234.19/x
  3. Step 3: Cross multiply
    696.40x = 1,044.41 × 234.19
  4. Step 4: Simplify right side
    696.40x = 244,590.51
  5. Step 5: Solve for x
    x = 244,590.51/696.40
  6. Step 6: Final answer
    x = 351.22

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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.