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Finding the Fourth Proportional to 594.25, 891.38 and 209.50

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Solution

The fourth proportional to 594.25, 891.38 and 209.50 is: 314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.25 : 891.38 = 209.50 : x
  2. Step 2: Convert to fraction form
    594.25/891.38 = 209.50/x
  3. Step 3: Cross multiply
    594.25x = 891.38 × 209.50
  4. Step 4: Simplify right side
    594.25x = 186,743.06
  5. Step 5: Solve for x
    x = 186,743.06/594.25
  6. Step 6: Final answer
    x = 314.25

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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.