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Finding the Fourth Proportional to 550.93, 760.06 and 340.96

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Solution

The fourth proportional to 550.93, 760.06 and 340.96 is: 470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.93 : 760.06 = 340.96 : x
  2. Step 2: Convert to fraction form
    550.93/760.06 = 340.96/x
  3. Step 3: Cross multiply
    550.93x = 760.06 × 340.96
  4. Step 4: Simplify right side
    550.93x = 259,149.05
  5. Step 5: Solve for x
    x = 259,149.05/550.93
  6. Step 6: Final answer
    x = 470.39

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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.