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Finding the Fourth Proportional to 303.23, 456.93 and 250.31

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Solution

The fourth proportional to 303.23, 456.93 and 250.31 is: 377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.23 : 456.93 = 250.31 : x
  2. Step 2: Convert to fraction form
    303.23/456.93 = 250.31/x
  3. Step 3: Cross multiply
    303.23x = 456.93 × 250.31
  4. Step 4: Simplify right side
    303.23x = 114,374.15
  5. Step 5: Solve for x
    x = 114,374.15/303.23
  6. Step 6: Final answer
    x = 377.19

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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.