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Finding the Fourth Proportional to 577.82, 867.19 and 346.97

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Solution

The fourth proportional to 577.82, 867.19 and 346.97 is: 520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.82 : 867.19 = 346.97 : x
  2. Step 2: Convert to fraction form
    577.82/867.19 = 346.97/x
  3. Step 3: Cross multiply
    577.82x = 867.19 × 346.97
  4. Step 4: Simplify right side
    577.82x = 300,888.91
  5. Step 5: Solve for x
    x = 300,888.91/577.82
  6. Step 6: Final answer
    x = 520.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.