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Finding the Fourth Proportional to 617.42, 926.03 and 200.99

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Solution

The fourth proportional to 617.42, 926.03 and 200.99 is: 301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.42 : 926.03 = 200.99 : x
  2. Step 2: Convert to fraction form
    617.42/926.03 = 200.99/x
  3. Step 3: Cross multiply
    617.42x = 926.03 × 200.99
  4. Step 4: Simplify right side
    617.42x = 186,121.76
  5. Step 5: Solve for x
    x = 186,121.76/617.42
  6. Step 6: Final answer
    x = 301.45

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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.