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Finding the Fourth Proportional to 741.71, 1,023.17 and 601.99

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Solution

The fourth proportional to 741.71, 1,023.17 and 601.99 is: 830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.71 : 1,023.17 = 601.99 : x
  2. Step 2: Convert to fraction form
    741.71/1,023.17 = 601.99/x
  3. Step 3: Cross multiply
    741.71x = 1,023.17 × 601.99
  4. Step 4: Simplify right side
    741.71x = 615,932.54
  5. Step 5: Solve for x
    x = 615,932.54/741.71
  6. Step 6: Final answer
    x = 830.42

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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.