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Finding the Fourth Proportional to 333.14, 459.54 and 215.01

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Solution

The fourth proportional to 333.14, 459.54 and 215.01 is: 296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.14 : 459.54 = 215.01 : x
  2. Step 2: Convert to fraction form
    333.14/459.54 = 215.01/x
  3. Step 3: Cross multiply
    333.14x = 459.54 × 215.01
  4. Step 4: Simplify right side
    333.14x = 98,805.70
  5. Step 5: Solve for x
    x = 98,805.70/333.14
  6. Step 6: Final answer
    x = 296.59

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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.