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Finding the Fourth Proportional to 958.29, 1,437.42 and 633.58

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Solution

The fourth proportional to 958.29, 1,437.42 and 633.58 is: 950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.29 : 1,437.42 = 633.58 : x
  2. Step 2: Convert to fraction form
    958.29/1,437.42 = 633.58/x
  3. Step 3: Cross multiply
    958.29x = 1,437.42 × 633.58
  4. Step 4: Simplify right side
    958.29x = 910,720.56
  5. Step 5: Solve for x
    x = 910,720.56/958.29
  6. Step 6: Final answer
    x = 950.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.