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Finding the Fourth Proportional to 550.74, 760.08 and 341.05

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Solution

The fourth proportional to 550.74, 760.08 and 341.05 is: 470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.74 : 760.08 = 341.05 : x
  2. Step 2: Convert to fraction form
    550.74/760.08 = 341.05/x
  3. Step 3: Cross multiply
    550.74x = 760.08 × 341.05
  4. Step 4: Simplify right side
    550.74x = 259,225.28
  5. Step 5: Solve for x
    x = 259,225.28/550.74
  6. Step 6: Final answer
    x = 470.69

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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.