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Finding the Fourth Proportional to 688.39, 950.04 and 452.53

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Solution

The fourth proportional to 688.39, 950.04 and 452.53 is: 624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688.39 : 950.04 = 452.53 : x
  2. Step 2: Convert to fraction form
    688.39/950.04 = 452.53/x
  3. Step 3: Cross multiply
    688.39x = 950.04 × 452.53
  4. Step 4: Simplify right side
    688.39x = 429,916.85
  5. Step 5: Solve for x
    x = 429,916.85/688.39
  6. Step 6: Final answer
    x = 624.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.