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Finding the Fourth Proportional to 604.99, 907.49 and 194.12

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Solution

The fourth proportional to 604.99, 907.49 and 194.12 is: 291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.99 : 907.49 = 194.12 : x
  2. Step 2: Convert to fraction form
    604.99/907.49 = 194.12/x
  3. Step 3: Cross multiply
    604.99x = 907.49 × 194.12
  4. Step 4: Simplify right side
    604.99x = 176,161.96
  5. Step 5: Solve for x
    x = 176,161.96/604.99
  6. Step 6: Final answer
    x = 291.18

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Double scale
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Similar ratio
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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.