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Finding the Fourth Proportional to 249.91, 374 and 152.36

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Solution

The fourth proportional to 249.91, 374 and 152.36 is: 228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.91 : 374 = 152.36 : x
  2. Step 2: Convert to fraction form
    249.91/374 = 152.36/x
  3. Step 3: Cross multiply
    249.91x = 374 × 152.36
  4. Step 4: Simplify right side
    249.91x = 56,982.64
  5. Step 5: Solve for x
    x = 56,982.64/249.91
  6. Step 6: Final answer
    x = 228.01

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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.