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Finding the Fourth Proportional to 966.87, 1,334.98 and 594.35

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Solution

The fourth proportional to 966.87, 1,334.98 and 594.35 is: 820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.87 : 1,334.98 = 594.35 : x
  2. Step 2: Convert to fraction form
    966.87/1,334.98 = 594.35/x
  3. Step 3: Cross multiply
    966.87x = 1,334.98 × 594.35
  4. Step 4: Simplify right side
    966.87x = 793,447.21
  5. Step 5: Solve for x
    x = 793,447.21/966.87
  6. Step 6: Final answer
    x = 820.63

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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.