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Finding the Fourth Proportional to 944.01, 1,302.75 and 551.25

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Solution

The fourth proportional to 944.01, 1,302.75 and 551.25 is: 760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.01 : 1,302.75 = 551.25 : x
  2. Step 2: Convert to fraction form
    944.01/1,302.75 = 551.25/x
  3. Step 3: Cross multiply
    944.01x = 1,302.75 × 551.25
  4. Step 4: Simplify right side
    944.01x = 718,140.94
  5. Step 5: Solve for x
    x = 718,140.94/944.01
  6. Step 6: Final answer
    x = 760.73

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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.