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Finding the Fourth Proportional to 1,044.01, 1,440.30 and 650.35

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Solution

The fourth proportional to 1,044.01, 1,440.30 and 650.35 is: 897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.01 : 1,440.30 = 650.35 : x
  2. Step 2: Convert to fraction form
    1,044.01/1,440.30 = 650.35/x
  3. Step 3: Cross multiply
    1,044.01x = 1,440.30 × 650.35
  4. Step 4: Simplify right side
    1,044.01x = 936,699.11
  5. Step 5: Solve for x
    x = 936,699.11/1,044.01
  6. Step 6: Final answer
    x = 897.21

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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.