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Finding the Fourth Proportional to 1,104.27, 1,656.53 and 555.99

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Solution

The fourth proportional to 1,104.27, 1,656.53 and 555.99 is: 834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.27 : 1,656.53 = 555.99 : x
  2. Step 2: Convert to fraction form
    1,104.27/1,656.53 = 555.99/x
  3. Step 3: Cross multiply
    1,104.27x = 1,656.53 × 555.99
  4. Step 4: Simplify right side
    1,104.27x = 921,011.33
  5. Step 5: Solve for x
    x = 921,011.33/1,104.27
  6. Step 6: Final answer
    x = 834.05

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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.