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Finding the Fourth Proportional to 579.52, 798.75 and 552.18

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Solution

The fourth proportional to 579.52, 798.75 and 552.18 is: 761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.52 : 798.75 = 552.18 : x
  2. Step 2: Convert to fraction form
    579.52/798.75 = 552.18/x
  3. Step 3: Cross multiply
    579.52x = 798.75 × 552.18
  4. Step 4: Simplify right side
    579.52x = 441,053.78
  5. Step 5: Solve for x
    x = 441,053.78/579.52
  6. Step 6: Final answer
    x = 761.07

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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.