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Finding the Fourth Proportional to 1,060.64, 1,591.93 and 541.01

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Solution

The fourth proportional to 1,060.64, 1,591.93 and 541.01 is: 812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.64 : 1,591.93 = 541.01 : x
  2. Step 2: Convert to fraction form
    1,060.64/1,591.93 = 541.01/x
  3. Step 3: Cross multiply
    1,060.64x = 1,591.93 × 541.01
  4. Step 4: Simplify right side
    1,060.64x = 861,252.68
  5. Step 5: Solve for x
    x = 861,252.68/1,060.64
  6. Step 6: Final answer
    x = 812.02

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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.