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Finding the Fourth Proportional to 1,035.09, 1,552.56 and 341.75

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Solution

The fourth proportional to 1,035.09, 1,552.56 and 341.75 is: 512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.09 : 1,552.56 = 341.75 : x
  2. Step 2: Convert to fraction form
    1,035.09/1,552.56 = 341.75/x
  3. Step 3: Cross multiply
    1,035.09x = 1,552.56 × 341.75
  4. Step 4: Simplify right side
    1,035.09x = 530,587.38
  5. Step 5: Solve for x
    x = 530,587.38/1,035.09
  6. Step 6: Final answer
    x = 512.60

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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.