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Finding the Fourth Proportional to 617.46, 926.19 and 329.46

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Solution

The fourth proportional to 617.46, 926.19 and 329.46 is: 494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.46 : 926.19 = 329.46 : x
  2. Step 2: Convert to fraction form
    617.46/926.19 = 329.46/x
  3. Step 3: Cross multiply
    617.46x = 926.19 × 329.46
  4. Step 4: Simplify right side
    617.46x = 305,142.56
  5. Step 5: Solve for x
    x = 305,142.56/617.46
  6. Step 6: Final answer
    x = 494.19

Related Problems

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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.