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Finding the Fourth Proportional to 1,034.34, 1,551.73 and 341.07

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Solution

The fourth proportional to 1,034.34, 1,551.73 and 341.07 is: 511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.34 : 1,551.73 = 341.07 : x
  2. Step 2: Convert to fraction form
    1,034.34/1,551.73 = 341.07/x
  3. Step 3: Cross multiply
    1,034.34x = 1,551.73 × 341.07
  4. Step 4: Simplify right side
    1,034.34x = 529,248.55
  5. Step 5: Solve for x
    x = 529,248.55/1,034.34
  6. Step 6: Final answer
    x = 511.68

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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.