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Finding the Fourth Proportional to 583.48, 808.45 and 571.12

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Solution

The fourth proportional to 583.48, 808.45 and 571.12 is: 791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.48 : 808.45 = 571.12 : x
  2. Step 2: Convert to fraction form
    583.48/808.45 = 571.12/x
  3. Step 3: Cross multiply
    583.48x = 808.45 × 571.12
  4. Step 4: Simplify right side
    583.48x = 461,721.96
  5. Step 5: Solve for x
    x = 461,721.96/583.48
  6. Step 6: Final answer
    x = 791.32

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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.