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Finding the Fourth Proportional to 1,334.25, 2,002.23 and 564.75

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Solution

The fourth proportional to 1,334.25, 2,002.23 and 564.75 is: 847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.25 : 2,002.23 = 564.75 : x
  2. Step 2: Convert to fraction form
    1,334.25/2,002.23 = 564.75/x
  3. Step 3: Cross multiply
    1,334.25x = 2,002.23 × 564.75
  4. Step 4: Simplify right side
    1,334.25x = 1,130,759.39
  5. Step 5: Solve for x
    x = 1,130,759.39/1,334.25
  6. Step 6: Final answer
    x = 847.49

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Half scale
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Double scale
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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.