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Finding the Fourth Proportional to 609.42, 914.52 and 335.52

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Solution

The fourth proportional to 609.42, 914.52 and 335.52 is: 503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.42 : 914.52 = 335.52 : x
  2. Step 2: Convert to fraction form
    609.42/914.52 = 335.52/x
  3. Step 3: Cross multiply
    609.42x = 914.52 × 335.52
  4. Step 4: Simplify right side
    609.42x = 306,839.75
  5. Step 5: Solve for x
    x = 306,839.75/609.42
  6. Step 6: Final answer
    x = 503.49

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.