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Finding the Fourth Proportional to 1,100.61, 1,651.01 and 370.05

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Solution

The fourth proportional to 1,100.61, 1,651.01 and 370.05 is: 555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.61 : 1,651.01 = 370.05 : x
  2. Step 2: Convert to fraction form
    1,100.61/1,651.01 = 370.05/x
  3. Step 3: Cross multiply
    1,100.61x = 1,651.01 × 370.05
  4. Step 4: Simplify right side
    1,100.61x = 610,954.40
  5. Step 5: Solve for x
    x = 610,954.40/1,100.61
  6. Step 6: Final answer
    x = 555.11

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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.