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Finding the Fourth Proportional to 1,095.93, 1,644.35 and 365.56

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Solution

The fourth proportional to 1,095.93, 1,644.35 and 365.56 is: 548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.93 : 1,644.35 = 365.56 : x
  2. Step 2: Convert to fraction form
    1,095.93/1,644.35 = 365.56/x
  3. Step 3: Cross multiply
    1,095.93x = 1,644.35 × 365.56
  4. Step 4: Simplify right side
    1,095.93x = 601,113.95
  5. Step 5: Solve for x
    x = 601,113.95/1,095.93
  6. Step 6: Final answer
    x = 548.50

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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.