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Finding the Fourth Proportional to 577.32, 859.77 and 552.36

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Solution

The fourth proportional to 577.32, 859.77 and 552.36 is: 822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.32 : 859.77 = 552.36 : x
  2. Step 2: Convert to fraction form
    577.32/859.77 = 552.36/x
  3. Step 3: Cross multiply
    577.32x = 859.77 × 552.36
  4. Step 4: Simplify right side
    577.32x = 474,902.56
  5. Step 5: Solve for x
    x = 474,902.56/577.32
  6. Step 6: Final answer
    x = 822.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.