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Finding the Fourth Proportional to 379.00, 570.40 and 341.26

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Solution

The fourth proportional to 379.00, 570.40 and 341.26 is: 513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.00 : 570.40 = 341.26 : x
  2. Step 2: Convert to fraction form
    379.00/570.40 = 341.26/x
  3. Step 3: Cross multiply
    379.00x = 570.40 × 341.26
  4. Step 4: Simplify right side
    379.00x = 194,658.03
  5. Step 5: Solve for x
    x = 194,658.03/379.00
  6. Step 6: Final answer
    x = 513.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.