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Finding the Fourth Proportional to 328.35, 453.26 and 234.93

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Solution

The fourth proportional to 328.35, 453.26 and 234.93 is: 324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.35 : 453.26 = 234.93 : x
  2. Step 2: Convert to fraction form
    328.35/453.26 = 234.93/x
  3. Step 3: Cross multiply
    328.35x = 453.26 × 234.93
  4. Step 4: Simplify right side
    328.35x = 106,484.08
  5. Step 5: Solve for x
    x = 106,484.08/328.35
  6. Step 6: Final answer
    x = 324.30

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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.