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Finding the Fourth Proportional to 567.94, 855.10 and 499.90

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Solution

The fourth proportional to 567.94, 855.10 and 499.90 is: 752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.94 : 855.10 = 499.90 : x
  2. Step 2: Convert to fraction form
    567.94/855.10 = 499.90/x
  3. Step 3: Cross multiply
    567.94x = 855.10 × 499.90
  4. Step 4: Simplify right side
    567.94x = 427,464.49
  5. Step 5: Solve for x
    x = 427,464.49/567.94
  6. Step 6: Final answer
    x = 752.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.