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Finding the Fourth Proportional to 607.94, 911.91 and 223.19

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Solution

The fourth proportional to 607.94, 911.91 and 223.19 is: 334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.94 : 911.91 = 223.19 : x
  2. Step 2: Convert to fraction form
    607.94/911.91 = 223.19/x
  3. Step 3: Cross multiply
    607.94x = 911.91 × 223.19
  4. Step 4: Simplify right side
    607.94x = 203,529.19
  5. Step 5: Solve for x
    x = 203,529.19/607.94
  6. Step 6: Final answer
    x = 334.79

Related Problems

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Half scale
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Double scale
Find fourth proportional to 608.94, 913.41 and 224.19
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.