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Finding the Fourth Proportional to 898.44, 1,347.66 and 249.18

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Solution

The fourth proportional to 898.44, 1,347.66 and 249.18 is: 373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.44 : 1,347.66 = 249.18 : x
  2. Step 2: Convert to fraction form
    898.44/1,347.66 = 249.18/x
  3. Step 3: Cross multiply
    898.44x = 1,347.66 × 249.18
  4. Step 4: Simplify right side
    898.44x = 335,809.92
  5. Step 5: Solve for x
    x = 335,809.92/898.44
  6. Step 6: Final answer
    x = 373.77

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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.