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Finding the Fourth Proportional to 1,554.89, 2,332.26 and 630.27

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Solution

The fourth proportional to 1,554.89, 2,332.26 and 630.27 is: 945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.89 : 2,332.26 = 630.27 : x
  2. Step 2: Convert to fraction form
    1,554.89/2,332.26 = 630.27/x
  3. Step 3: Cross multiply
    1,554.89x = 2,332.26 × 630.27
  4. Step 4: Simplify right side
    1,554.89x = 1,469,953.51
  5. Step 5: Solve for x
    x = 1,469,953.51/1,554.89
  6. Step 6: Final answer
    x = 945.38

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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.