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Finding the Fourth Proportional to 581.18, 797.09 and 551.48

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Solution

The fourth proportional to 581.18, 797.09 and 551.48 is: 756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.18 : 797.09 = 551.48 : x
  2. Step 2: Convert to fraction form
    581.18/797.09 = 551.48/x
  3. Step 3: Cross multiply
    581.18x = 797.09 × 551.48
  4. Step 4: Simplify right side
    581.18x = 439,582.28
  5. Step 5: Solve for x
    x = 439,582.28/581.18
  6. Step 6: Final answer
    x = 756.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.