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Finding the Fourth Proportional to 332.58, 459.09 and 245.10

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Solution

The fourth proportional to 332.58, 459.09 and 245.10 is: 338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.58 : 459.09 = 245.10 : x
  2. Step 2: Convert to fraction form
    332.58/459.09 = 245.10/x
  3. Step 3: Cross multiply
    332.58x = 459.09 × 245.10
  4. Step 4: Simplify right side
    332.58x = 112,522.96
  5. Step 5: Solve for x
    x = 112,522.96/332.58
  6. Step 6: Final answer
    x = 338.33

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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.