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Finding the Fourth Proportional to 459.06, 633.55 and 262.56

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Solution

The fourth proportional to 459.06, 633.55 and 262.56 is: 362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.06 : 633.55 = 262.56 : x
  2. Step 2: Convert to fraction form
    459.06/633.55 = 262.56/x
  3. Step 3: Cross multiply
    459.06x = 633.55 × 262.56
  4. Step 4: Simplify right side
    459.06x = 166,344.89
  5. Step 5: Solve for x
    x = 166,344.89/459.06
  6. Step 6: Final answer
    x = 362.36

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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.