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Finding the Fourth Proportional to 550.44, 759.42 and 410.76

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Solution

The fourth proportional to 550.44, 759.42 and 410.76 is: 566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.44 : 759.42 = 410.76 : x
  2. Step 2: Convert to fraction form
    550.44/759.42 = 410.76/x
  3. Step 3: Cross multiply
    550.44x = 759.42 × 410.76
  4. Step 4: Simplify right side
    550.44x = 311,939.36
  5. Step 5: Solve for x
    x = 311,939.36/550.44
  6. Step 6: Final answer
    x = 566.71

Related Problems

Find fourth proportional to 275.22, 379.71 and 205.38
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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.