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Finding the Fourth Proportional to 364.42, 546.28 and 234.06

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Solution

The fourth proportional to 364.42, 546.28 and 234.06 is: 350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.42 : 546.28 = 234.06 : x
  2. Step 2: Convert to fraction form
    364.42/546.28 = 234.06/x
  3. Step 3: Cross multiply
    364.42x = 546.28 × 234.06
  4. Step 4: Simplify right side
    364.42x = 127,862.30
  5. Step 5: Solve for x
    x = 127,862.30/364.42
  6. Step 6: Final answer
    x = 350.87

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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.