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Finding the Fourth Proportional to 1,051.03, 1,450.25 and 608.97

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Solution

The fourth proportional to 1,051.03, 1,450.25 and 608.97 is: 840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.03 : 1,450.25 = 608.97 : x
  2. Step 2: Convert to fraction form
    1,051.03/1,450.25 = 608.97/x
  3. Step 3: Cross multiply
    1,051.03x = 1,450.25 × 608.97
  4. Step 4: Simplify right side
    1,051.03x = 883,158.74
  5. Step 5: Solve for x
    x = 883,158.74/1,051.03
  6. Step 6: Final answer
    x = 840.28

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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.