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Finding the Fourth Proportional to 246.55, 368.20 and 233.22

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Solution

The fourth proportional to 246.55, 368.20 and 233.22 is: 348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.55 : 368.20 = 233.22 : x
  2. Step 2: Convert to fraction form
    246.55/368.20 = 233.22/x
  3. Step 3: Cross multiply
    246.55x = 368.20 × 233.22
  4. Step 4: Simplify right side
    246.55x = 85,873.18
  5. Step 5: Solve for x
    x = 85,873.18/246.55
  6. Step 6: Final answer
    x = 348.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.