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Finding the Fourth Proportional to 333.55, 459.57 and 271.59

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Solution

The fourth proportional to 333.55, 459.57 and 271.59 is: 374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.55 : 459.57 = 271.59 : x
  2. Step 2: Convert to fraction form
    333.55/459.57 = 271.59/x
  3. Step 3: Cross multiply
    333.55x = 459.57 × 271.59
  4. Step 4: Simplify right side
    333.55x = 124,814.62
  5. Step 5: Solve for x
    x = 124,814.62/333.55
  6. Step 6: Final answer
    x = 374.20

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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.