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Finding the Fourth Proportional to 614.36, 847.82 and 365.69

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Solution

The fourth proportional to 614.36, 847.82 and 365.69 is: 504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.36 : 847.82 = 365.69 : x
  2. Step 2: Convert to fraction form
    614.36/847.82 = 365.69/x
  3. Step 3: Cross multiply
    614.36x = 847.82 × 365.69
  4. Step 4: Simplify right side
    614.36x = 310,040.21
  5. Step 5: Solve for x
    x = 310,040.21/614.36
  6. Step 6: Final answer
    x = 504.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.