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Finding the Fourth Proportional to 944.31, 1,416.71 and 295.05

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Solution

The fourth proportional to 944.31, 1,416.71 and 295.05 is: 442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.31 : 1,416.71 = 295.05 : x
  2. Step 2: Convert to fraction form
    944.31/1,416.71 = 295.05/x
  3. Step 3: Cross multiply
    944.31x = 1,416.71 × 295.05
  4. Step 4: Simplify right side
    944.31x = 417,998.81
  5. Step 5: Solve for x
    x = 417,998.81/944.31
  6. Step 6: Final answer
    x = 442.65

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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.