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Finding the Fourth Proportional to 1,044.19, 1,440.23 and 650.53

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Solution

The fourth proportional to 1,044.19, 1,440.23 and 650.53 is: 897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.19 : 1,440.23 = 650.53 : x
  2. Step 2: Convert to fraction form
    1,044.19/1,440.23 = 650.53/x
  3. Step 3: Cross multiply
    1,044.19x = 1,440.23 × 650.53
  4. Step 4: Simplify right side
    1,044.19x = 936,915.03
  5. Step 5: Solve for x
    x = 936,915.03/1,044.19
  6. Step 6: Final answer
    x = 897.26

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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.