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Finding the Fourth Proportional to 958.23, 1,435.46 and 898.29

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Solution

The fourth proportional to 958.23, 1,435.46 and 898.29 is: 1,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.23 : 1,435.46 = 898.29 : x
  2. Step 2: Convert to fraction form
    958.23/1,435.46 = 898.29/x
  3. Step 3: Cross multiply
    958.23x = 1,435.46 × 898.29
  4. Step 4: Simplify right side
    958.23x = 1,289,454.87
  5. Step 5: Solve for x
    x = 1,289,454.87/958.23
  6. Step 6: Final answer
    x = 1,345.66

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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.