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Finding the Fourth Proportional to 964.73, 1,331.35 and 566.68

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Solution

The fourth proportional to 964.73, 1,331.35 and 566.68 is: 782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.73 : 1,331.35 = 566.68 : x
  2. Step 2: Convert to fraction form
    964.73/1,331.35 = 566.68/x
  3. Step 3: Cross multiply
    964.73x = 1,331.35 × 566.68
  4. Step 4: Simplify right side
    964.73x = 754,449.42
  5. Step 5: Solve for x
    x = 754,449.42/964.73
  6. Step 6: Final answer
    x = 782.03

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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.