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Finding the Fourth Proportional to 588.74, 812.48 and 323.19

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Solution

The fourth proportional to 588.74, 812.48 and 323.19 is: 446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.74 : 812.48 = 323.19 : x
  2. Step 2: Convert to fraction form
    588.74/812.48 = 323.19/x
  3. Step 3: Cross multiply
    588.74x = 812.48 × 323.19
  4. Step 4: Simplify right side
    588.74x = 262,583.80
  5. Step 5: Solve for x
    x = 262,583.80/588.74
  6. Step 6: Final answer
    x = 446.01

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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.