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Finding the Fourth Proportional to 459.83, 633.88 and 335.63

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Solution

The fourth proportional to 459.83, 633.88 and 335.63 is: 462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.83 : 633.88 = 335.63 : x
  2. Step 2: Convert to fraction form
    459.83/633.88 = 335.63/x
  3. Step 3: Cross multiply
    459.83x = 633.88 × 335.63
  4. Step 4: Simplify right side
    459.83x = 212,749.14
  5. Step 5: Solve for x
    x = 212,749.14/459.83
  6. Step 6: Final answer
    x = 462.67

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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.