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Finding the Fourth Proportional to 1,054.11, 1,579.80 and 566.60

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Solution

The fourth proportional to 1,054.11, 1,579.80 and 566.60 is: 849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.11 : 1,579.80 = 566.60 : x
  2. Step 2: Convert to fraction form
    1,054.11/1,579.80 = 566.60/x
  3. Step 3: Cross multiply
    1,054.11x = 1,579.80 × 566.60
  4. Step 4: Simplify right side
    1,054.11x = 895,108.91
  5. Step 5: Solve for x
    x = 895,108.91/1,054.11
  6. Step 6: Final answer
    x = 849.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.