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Finding the Fourth Proportional to 936.56, 1,283.07 and 901.51

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Solution

The fourth proportional to 936.56, 1,283.07 and 901.51 is: 1,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.56 : 1,283.07 = 901.51 : x
  2. Step 2: Convert to fraction form
    936.56/1,283.07 = 901.51/x
  3. Step 3: Cross multiply
    936.56x = 1,283.07 × 901.51
  4. Step 4: Simplify right side
    936.56x = 1,156,700.61
  5. Step 5: Solve for x
    x = 1,156,700.61/936.56
  6. Step 6: Final answer
    x = 1,235.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.