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Finding the Fourth Proportional to 551.50, 760.83 and 341.62

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Solution

The fourth proportional to 551.50, 760.83 and 341.62 is: 471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.50 : 760.83 = 341.62 : x
  2. Step 2: Convert to fraction form
    551.50/760.83 = 341.62/x
  3. Step 3: Cross multiply
    551.50x = 760.83 × 341.62
  4. Step 4: Simplify right side
    551.50x = 259,911.13
  5. Step 5: Solve for x
    x = 259,911.13/551.50
  6. Step 6: Final answer
    x = 471.28

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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.