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Finding the Fourth Proportional to 570.93, 791.19 and 559.99

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Solution

The fourth proportional to 570.93, 791.19 and 559.99 is: 776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.93 : 791.19 = 559.99 : x
  2. Step 2: Convert to fraction form
    570.93/791.19 = 559.99/x
  3. Step 3: Cross multiply
    570.93x = 791.19 × 559.99
  4. Step 4: Simplify right side
    570.93x = 443,058.49
  5. Step 5: Solve for x
    x = 443,058.49/570.93
  6. Step 6: Final answer
    x = 776.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.