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Finding the Fourth Proportional to 588.83, 812.67 and 539.42

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Solution

The fourth proportional to 588.83, 812.67 and 539.42 is: 744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.83 : 812.67 = 539.42 : x
  2. Step 2: Convert to fraction form
    588.83/812.67 = 539.42/x
  3. Step 3: Cross multiply
    588.83x = 812.67 × 539.42
  4. Step 4: Simplify right side
    588.83x = 438,370.45
  5. Step 5: Solve for x
    x = 438,370.45/588.83
  6. Step 6: Final answer
    x = 744.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.