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Finding the Fourth Proportional to 333.54, 499.58 and 275.10

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Solution

The fourth proportional to 333.54, 499.58 and 275.10 is: 412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.54 : 499.58 = 275.10 : x
  2. Step 2: Convert to fraction form
    333.54/499.58 = 275.10/x
  3. Step 3: Cross multiply
    333.54x = 499.58 × 275.10
  4. Step 4: Simplify right side
    333.54x = 137,435.99
  5. Step 5: Solve for x
    x = 137,435.99/333.54
  6. Step 6: Final answer
    x = 412.05

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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.