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Finding the Fourth Proportional to 1,104.10, 1,656.06 and 373.48

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Solution

The fourth proportional to 1,104.10, 1,656.06 and 373.48 is: 560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.10 : 1,656.06 = 373.48 : x
  2. Step 2: Convert to fraction form
    1,104.10/1,656.06 = 373.48/x
  3. Step 3: Cross multiply
    1,104.10x = 1,656.06 × 373.48
  4. Step 4: Simplify right side
    1,104.10x = 618,505.29
  5. Step 5: Solve for x
    x = 618,505.29/1,104.10
  6. Step 6: Final answer
    x = 560.19

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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.