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Finding the Fourth Proportional to 594.20, 891.49 and 374.57

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Solution

The fourth proportional to 594.20, 891.49 and 374.57 is: 561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.20 : 891.49 = 374.57 : x
  2. Step 2: Convert to fraction form
    594.20/891.49 = 374.57/x
  3. Step 3: Cross multiply
    594.20x = 891.49 × 374.57
  4. Step 4: Simplify right side
    594.20x = 333,926.35
  5. Step 5: Solve for x
    x = 333,926.35/594.20
  6. Step 6: Final answer
    x = 561.98

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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.