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Finding the Fourth Proportional to 550.75, 759.93 and 341.10

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Solution

The fourth proportional to 550.75, 759.93 and 341.10 is: 470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.75 : 759.93 = 341.10 : x
  2. Step 2: Convert to fraction form
    550.75/759.93 = 341.10/x
  3. Step 3: Cross multiply
    550.75x = 759.93 × 341.10
  4. Step 4: Simplify right side
    550.75x = 259,212.12
  5. Step 5: Solve for x
    x = 259,212.12/550.75
  6. Step 6: Final answer
    x = 470.65

Related Problems

Find fourth proportional to 275.38, 379.97 and 170.55
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Double scale
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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.