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Finding the Fourth Proportional to 901.95, 1,245.27 and 736.56

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Solution

The fourth proportional to 901.95, 1,245.27 and 736.56 is: 1,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.95 : 1,245.27 = 736.56 : x
  2. Step 2: Convert to fraction form
    901.95/1,245.27 = 736.56/x
  3. Step 3: Cross multiply
    901.95x = 1,245.27 × 736.56
  4. Step 4: Simplify right side
    901.95x = 917,216.07
  5. Step 5: Solve for x
    x = 917,216.07/901.95
  6. Step 6: Final answer
    x = 1,016.93

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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.