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Finding the Fourth Proportional to 1,097.58, 1,646.36 and 367.15

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Solution

The fourth proportional to 1,097.58, 1,646.36 and 367.15 is: 550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.58 : 1,646.36 = 367.15 : x
  2. Step 2: Convert to fraction form
    1,097.58/1,646.36 = 367.15/x
  3. Step 3: Cross multiply
    1,097.58x = 1,646.36 × 367.15
  4. Step 4: Simplify right side
    1,097.58x = 604,456.04
  5. Step 5: Solve for x
    x = 604,456.04/1,097.58
  6. Step 6: Final answer
    x = 550.72

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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.