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Finding the Fourth Proportional to 577.09, 794.68 and 429.46

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Solution

The fourth proportional to 577.09, 794.68 and 429.46 is: 591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.09 : 794.68 = 429.46 : x
  2. Step 2: Convert to fraction form
    577.09/794.68 = 429.46/x
  3. Step 3: Cross multiply
    577.09x = 794.68 × 429.46
  4. Step 4: Simplify right side
    577.09x = 341,283.27
  5. Step 5: Solve for x
    x = 341,283.27/577.09
  6. Step 6: Final answer
    x = 591.39

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1.5x scale

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.