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Finding the Fourth Proportional to 1,351, 2,026.36 and 377

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Solution

The fourth proportional to 1,351, 2,026.36 and 377 is: 565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351 : 2,026.36 = 377 : x
  2. Step 2: Convert to fraction form
    1,351/2,026.36 = 377/x
  3. Step 3: Cross multiply
    1,351x = 2,026.36 × 377
  4. Step 4: Simplify right side
    1,351x = 763,937.72
  5. Step 5: Solve for x
    x = 763,937.72/1,351
  6. Step 6: Final answer
    x = 565.46

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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.