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Finding the Fourth Proportional to 676.50, 934.11 and 529.89

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Solution

The fourth proportional to 676.50, 934.11 and 529.89 is: 731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.50 : 934.11 = 529.89 : x
  2. Step 2: Convert to fraction form
    676.50/934.11 = 529.89/x
  3. Step 3: Cross multiply
    676.50x = 934.11 × 529.89
  4. Step 4: Simplify right side
    676.50x = 494,975.55
  5. Step 5: Solve for x
    x = 494,975.55/676.50
  6. Step 6: Final answer
    x = 731.67

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