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Finding the Fourth Proportional to 550.68, 826.23 and 448.22

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Solution

The fourth proportional to 550.68, 826.23 and 448.22 is: 672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.68 : 826.23 = 448.22 : x
  2. Step 2: Convert to fraction form
    550.68/826.23 = 448.22/x
  3. Step 3: Cross multiply
    550.68x = 826.23 × 448.22
  4. Step 4: Simplify right side
    550.68x = 370,328.68
  5. Step 5: Solve for x
    x = 370,328.68/550.68
  6. Step 6: Final answer
    x = 672.49

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.