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Finding the Fourth Proportional to 1,101.48, 1,652.26 and 371.04

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Solution

The fourth proportional to 1,101.48, 1,652.26 and 371.04 is: 556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.48 : 1,652.26 = 371.04 : x
  2. Step 2: Convert to fraction form
    1,101.48/1,652.26 = 371.04/x
  3. Step 3: Cross multiply
    1,101.48x = 1,652.26 × 371.04
  4. Step 4: Simplify right side
    1,101.48x = 613,054.55
  5. Step 5: Solve for x
    x = 613,054.55/1,101.48
  6. Step 6: Final answer
    x = 556.57

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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.