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Finding the Fourth Proportional to 1,097.07, 1,644.99 and 366.27

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Solution

The fourth proportional to 1,097.07, 1,644.99 and 366.27 is: 549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.07 : 1,644.99 = 366.27 : x
  2. Step 2: Convert to fraction form
    1,097.07/1,644.99 = 366.27/x
  3. Step 3: Cross multiply
    1,097.07x = 1,644.99 × 366.27
  4. Step 4: Simplify right side
    1,097.07x = 602,510.49
  5. Step 5: Solve for x
    x = 602,510.49/1,097.07
  6. Step 6: Final answer
    x = 549.20

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Double scale
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1.5x scale

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.