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Finding the Fourth Proportional to 611.88, 913.37 and 566.76

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Solution

The fourth proportional to 611.88, 913.37 and 566.76 is: 846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.88 : 913.37 = 566.76 : x
  2. Step 2: Convert to fraction form
    611.88/913.37 = 566.76/x
  3. Step 3: Cross multiply
    611.88x = 913.37 × 566.76
  4. Step 4: Simplify right side
    611.88x = 517,658.75
  5. Step 5: Solve for x
    x = 517,658.75/611.88
  6. Step 6: Final answer
    x = 846.01

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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.