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Finding the Fourth Proportional to 949.89, 1,424.99 and 333.63

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Solution

The fourth proportional to 949.89, 1,424.99 and 333.63 is: 500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.89 : 1,424.99 = 333.63 : x
  2. Step 2: Convert to fraction form
    949.89/1,424.99 = 333.63/x
  3. Step 3: Cross multiply
    949.89x = 1,424.99 × 333.63
  4. Step 4: Simplify right side
    949.89x = 475,417.75
  5. Step 5: Solve for x
    x = 475,417.75/949.89
  6. Step 6: Final answer
    x = 500.50

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.