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Finding the Fourth Proportional to 594.48, 819.96 and 395.40

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Solution

The fourth proportional to 594.48, 819.96 and 395.40 is: 545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.48 : 819.96 = 395.40 : x
  2. Step 2: Convert to fraction form
    594.48/819.96 = 395.40/x
  3. Step 3: Cross multiply
    594.48x = 819.96 × 395.40
  4. Step 4: Simplify right side
    594.48x = 324,212.18
  5. Step 5: Solve for x
    x = 324,212.18/594.48
  6. Step 6: Final answer
    x = 545.37

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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.