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Finding the Fourth Proportional to 1,001.97, 1,504.58 and 637.47

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Solution

The fourth proportional to 1,001.97, 1,504.58 and 637.47 is: 957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.97 : 1,504.58 = 637.47 : x
  2. Step 2: Convert to fraction form
    1,001.97/1,504.58 = 637.47/x
  3. Step 3: Cross multiply
    1,001.97x = 1,504.58 × 637.47
  4. Step 4: Simplify right side
    1,001.97x = 959,121.43
  5. Step 5: Solve for x
    x = 959,121.43/1,001.97
  6. Step 6: Final answer
    x = 957.24

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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.