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Finding the Fourth Proportional to 588.91, 812.72 and 326.93

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Solution

The fourth proportional to 588.91, 812.72 and 326.93 is: 451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.91 : 812.72 = 326.93 : x
  2. Step 2: Convert to fraction form
    588.91/812.72 = 326.93/x
  3. Step 3: Cross multiply
    588.91x = 812.72 × 326.93
  4. Step 4: Simplify right side
    588.91x = 265,702.55
  5. Step 5: Solve for x
    x = 265,702.55/588.91
  6. Step 6: Final answer
    x = 451.18

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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.