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Finding the Fourth Proportional to 611.13, 912.25 and 566.01

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Solution

The fourth proportional to 611.13, 912.25 and 566.01 is: 844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.13 : 912.25 = 566.01 : x
  2. Step 2: Convert to fraction form
    611.13/912.25 = 566.01/x
  3. Step 3: Cross multiply
    611.13x = 912.25 × 566.01
  4. Step 4: Simplify right side
    611.13x = 516,341.21
  5. Step 5: Solve for x
    x = 516,341.21/611.13
  6. Step 6: Final answer
    x = 844.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.