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Finding the Fourth Proportional to 383.01, 571.62 and 346.11

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Solution

The fourth proportional to 383.01, 571.62 and 346.11 is: 516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.01 : 571.62 = 346.11 : x
  2. Step 2: Convert to fraction form
    383.01/571.62 = 346.11/x
  3. Step 3: Cross multiply
    383.01x = 571.62 × 346.11
  4. Step 4: Simplify right side
    383.01x = 197,839.96
  5. Step 5: Solve for x
    x = 197,839.96/383.01
  6. Step 6: Final answer
    x = 516.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.