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Finding the Fourth Proportional to 594.43, 891.35 and 347.72

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Solution

The fourth proportional to 594.43, 891.35 and 347.72 is: 521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.43 : 891.35 = 347.72 : x
  2. Step 2: Convert to fraction form
    594.43/891.35 = 347.72/x
  3. Step 3: Cross multiply
    594.43x = 891.35 × 347.72
  4. Step 4: Simplify right side
    594.43x = 309,940.71
  5. Step 5: Solve for x
    x = 309,940.71/594.43
  6. Step 6: Final answer
    x = 521.41

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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.