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Finding the Fourth Proportional to 958.02, 1,437.02 and 299.88

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Solution

The fourth proportional to 958.02, 1,437.02 and 299.88 is: 449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.02 : 1,437.02 = 299.88 : x
  2. Step 2: Convert to fraction form
    958.02/1,437.02 = 299.88/x
  3. Step 3: Cross multiply
    958.02x = 1,437.02 × 299.88
  4. Step 4: Simplify right side
    958.02x = 430,933.56
  5. Step 5: Solve for x
    x = 430,933.56/958.02
  6. Step 6: Final answer
    x = 449.82

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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.