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Finding the Fourth Proportional to 398.51, 596.94 and 236.10

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Solution

The fourth proportional to 398.51, 596.94 and 236.10 is: 353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    398.51 : 596.94 = 236.10 : x
  2. Step 2: Convert to fraction form
    398.51/596.94 = 236.10/x
  3. Step 3: Cross multiply
    398.51x = 596.94 × 236.10
  4. Step 4: Simplify right side
    398.51x = 140,937.53
  5. Step 5: Solve for x
    x = 140,937.53/398.51
  6. Step 6: Final answer
    x = 353.66

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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.