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Finding the Fourth Proportional to 364.51, 546.68 and 234.32

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Solution

The fourth proportional to 364.51, 546.68 and 234.32 is: 351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.51 : 546.68 = 234.32 : x
  2. Step 2: Convert to fraction form
    364.51/546.68 = 234.32/x
  3. Step 3: Cross multiply
    364.51x = 546.68 × 234.32
  4. Step 4: Simplify right side
    364.51x = 128,098.06
  5. Step 5: Solve for x
    x = 128,098.06/364.51
  6. Step 6: Final answer
    x = 351.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.