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Finding the Fourth Proportional to 246.18, 370.98 and 203.79

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Solution

The fourth proportional to 246.18, 370.98 and 203.79 is: 307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.18 : 370.98 = 203.79 : x
  2. Step 2: Convert to fraction form
    246.18/370.98 = 203.79/x
  3. Step 3: Cross multiply
    246.18x = 370.98 × 203.79
  4. Step 4: Simplify right side
    246.18x = 75,602.01
  5. Step 5: Solve for x
    x = 75,602.01/246.18
  6. Step 6: Final answer
    x = 307.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.