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Finding the Fourth Proportional to 1,160.66, 1,740.69 and 544.05

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Solution

The fourth proportional to 1,160.66, 1,740.69 and 544.05 is: 815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.66 : 1,740.69 = 544.05 : x
  2. Step 2: Convert to fraction form
    1,160.66/1,740.69 = 544.05/x
  3. Step 3: Cross multiply
    1,160.66x = 1,740.69 × 544.05
  4. Step 4: Simplify right side
    1,160.66x = 947,022.39
  5. Step 5: Solve for x
    x = 947,022.39/1,160.66
  6. Step 6: Final answer
    x = 815.93

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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.