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Finding the Fourth Proportional to 577.70, 795.84 and 459.64

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Solution

The fourth proportional to 577.70, 795.84 and 459.64 is: 633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.70 : 795.84 = 459.64 : x
  2. Step 2: Convert to fraction form
    577.70/795.84 = 459.64/x
  3. Step 3: Cross multiply
    577.70x = 795.84 × 459.64
  4. Step 4: Simplify right side
    577.70x = 365,797.91
  5. Step 5: Solve for x
    x = 365,797.91/577.70
  6. Step 6: Final answer
    x = 633.19

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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.