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Finding the Fourth Proportional to 514.67, 775.08 and 468.59

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Solution

The fourth proportional to 514.67, 775.08 and 468.59 is: 705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.67 : 775.08 = 468.59 : x
  2. Step 2: Convert to fraction form
    514.67/775.08 = 468.59/x
  3. Step 3: Cross multiply
    514.67x = 775.08 × 468.59
  4. Step 4: Simplify right side
    514.67x = 363,190.86
  5. Step 5: Solve for x
    x = 363,190.86/514.67
  6. Step 6: Final answer
    x = 705.68

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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.