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Finding the Fourth Proportional to 563.49, 844.83 and 255.49

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Solution

The fourth proportional to 563.49, 844.83 and 255.49 is: 383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.49 : 844.83 = 255.49 : x
  2. Step 2: Convert to fraction form
    563.49/844.83 = 255.49/x
  3. Step 3: Cross multiply
    563.49x = 844.83 × 255.49
  4. Step 4: Simplify right side
    563.49x = 215,843.50
  5. Step 5: Solve for x
    x = 215,843.50/563.49
  6. Step 6: Final answer
    x = 383.05

Related Problems

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Half scale
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Double scale
Find fourth proportional to 564.49, 846.33 and 256.49
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.