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Finding the Fourth Proportional to 594.65, 820.38 and 345.92

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Solution

The fourth proportional to 594.65, 820.38 and 345.92 is: 477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.65 : 820.38 = 345.92 : x
  2. Step 2: Convert to fraction form
    594.65/820.38 = 345.92/x
  3. Step 3: Cross multiply
    594.65x = 820.38 × 345.92
  4. Step 4: Simplify right side
    594.65x = 283,787.90
  5. Step 5: Solve for x
    x = 283,787.90/594.65
  6. Step 6: Final answer
    x = 477.24

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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.