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Finding the Fourth Proportional to 303.70, 457.77 and 250.24

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Solution

The fourth proportional to 303.70, 457.77 and 250.24 is: 377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.70 : 457.77 = 250.24 : x
  2. Step 2: Convert to fraction form
    303.70/457.77 = 250.24/x
  3. Step 3: Cross multiply
    303.70x = 457.77 × 250.24
  4. Step 4: Simplify right side
    303.70x = 114,552.36
  5. Step 5: Solve for x
    x = 114,552.36/303.70
  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.