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Finding the Fourth Proportional to 246.04, 339.90 and 215.08

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Solution

The fourth proportional to 246.04, 339.90 and 215.08 is: 297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.04 : 339.90 = 215.08 : x
  2. Step 2: Convert to fraction form
    246.04/339.90 = 215.08/x
  3. Step 3: Cross multiply
    246.04x = 339.90 × 215.08
  4. Step 4: Simplify right side
    246.04x = 73,105.69
  5. Step 5: Solve for x
    x = 73,105.69/246.04
  6. Step 6: Final answer
    x = 297.13

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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.