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Finding the Fourth Proportional to 564.51, 845.25 and 546.90

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Solution

The fourth proportional to 564.51, 845.25 and 546.90 is: 818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.51 : 845.25 = 546.90 : x
  2. Step 2: Convert to fraction form
    564.51/845.25 = 546.90/x
  3. Step 3: Cross multiply
    564.51x = 845.25 × 546.90
  4. Step 4: Simplify right side
    564.51x = 462,267.23
  5. Step 5: Solve for x
    x = 462,267.23/564.51
  6. Step 6: Final answer
    x = 818.88

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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.