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Finding the Fourth Proportional to 594.02, 890.49 and 209

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Solution

The fourth proportional to 594.02, 890.49 and 209 is: 313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.02 : 890.49 = 209 : x
  2. Step 2: Convert to fraction form
    594.02/890.49 = 209/x
  3. Step 3: Cross multiply
    594.02x = 890.49 × 209
  4. Step 4: Simplify right side
    594.02x = 186,112.41
  5. Step 5: Solve for x
    x = 186,112.41/594.02
  6. Step 6: Final answer
    x = 313.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.