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Finding the Fourth Proportional to 609.36, 914.13 and 243.96

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Solution

The fourth proportional to 609.36, 914.13 and 243.96 is: 365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.36 : 914.13 = 243.96 : x
  2. Step 2: Convert to fraction form
    609.36/914.13 = 243.96/x
  3. Step 3: Cross multiply
    609.36x = 914.13 × 243.96
  4. Step 4: Simplify right side
    609.36x = 223,011.15
  5. Step 5: Solve for x
    x = 223,011.15/609.36
  6. Step 6: Final answer
    x = 365.98

Related Problems

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Half scale
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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.