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Finding the Fourth Proportional to 1,302.72, 1,797 and 888

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Solution

The fourth proportional to 1,302.72, 1,797 and 888 is: 1,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.72 : 1,797 = 888 : x
  2. Step 2: Convert to fraction form
    1,302.72/1,797 = 888/x
  3. Step 3: Cross multiply
    1,302.72x = 1,797 × 888
  4. Step 4: Simplify right side
    1,302.72x = 1,595,736
  5. Step 5: Solve for x
    x = 1,595,736/1,302.72
  6. Step 6: Final answer
    x = 1,224.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.