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Finding the Fourth Proportional to 627.53, 941.51 and 302.86

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Solution

The fourth proportional to 627.53, 941.51 and 302.86 is: 454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.53 : 941.51 = 302.86 : x
  2. Step 2: Convert to fraction form
    627.53/941.51 = 302.86/x
  3. Step 3: Cross multiply
    627.53x = 941.51 × 302.86
  4. Step 4: Simplify right side
    627.53x = 285,139.50
  5. Step 5: Solve for x
    x = 285,139.50/627.53
  6. Step 6: Final answer
    x = 454.38

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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.