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Finding the Fourth Proportional to 607.13, 910.69 and 222.38

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Solution

The fourth proportional to 607.13, 910.69 and 222.38 is: 333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.13 : 910.69 = 222.38 : x
  2. Step 2: Convert to fraction form
    607.13/910.69 = 222.38/x
  3. Step 3: Cross multiply
    607.13x = 910.69 × 222.38
  4. Step 4: Simplify right side
    607.13x = 202,514.13
  5. Step 5: Solve for x
    x = 202,514.13/607.13
  6. Step 6: Final answer
    x = 333.56

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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.