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Finding the Fourth Proportional to 555.78, 833.81 and 230.97

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Solution

The fourth proportional to 555.78, 833.81 and 230.97 is: 346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.78 : 833.81 = 230.97 : x
  2. Step 2: Convert to fraction form
    555.78/833.81 = 230.97/x
  3. Step 3: Cross multiply
    555.78x = 833.81 × 230.97
  4. Step 4: Simplify right side
    555.78x = 192,583.94
  5. Step 5: Solve for x
    x = 192,583.94/555.78
  6. Step 6: Final answer
    x = 346.51

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.