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Finding the Fourth Proportional to 966.58, 1,333.19 and 682.54

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Solution

The fourth proportional to 966.58, 1,333.19 and 682.54 is: 941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.58 : 1,333.19 = 682.54 : x
  2. Step 2: Convert to fraction form
    966.58/1,333.19 = 682.54/x
  3. Step 3: Cross multiply
    966.58x = 1,333.19 × 682.54
  4. Step 4: Simplify right side
    966.58x = 909,945.42
  5. Step 5: Solve for x
    x = 909,945.42/966.58
  6. Step 6: Final answer
    x = 941.41

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1.5x scale

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.