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Finding the Fourth Proportional to 584.45, 876.80 and 194.49

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Solution

The fourth proportional to 584.45, 876.80 and 194.49 is: 291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.45 : 876.80 = 194.49 : x
  2. Step 2: Convert to fraction form
    584.45/876.80 = 194.49/x
  3. Step 3: Cross multiply
    584.45x = 876.80 × 194.49
  4. Step 4: Simplify right side
    584.45x = 170,528.83
  5. Step 5: Solve for x
    x = 170,528.83/584.45
  6. Step 6: Final answer
    x = 291.78

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Double scale
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Similar ratio
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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.