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Finding the Fourth Proportional to 452.55, 676.99 and 375.67

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Solution

The fourth proportional to 452.55, 676.99 and 375.67 is: 561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.55 : 676.99 = 375.67 : x
  2. Step 2: Convert to fraction form
    452.55/676.99 = 375.67/x
  3. Step 3: Cross multiply
    452.55x = 676.99 × 375.67
  4. Step 4: Simplify right side
    452.55x = 254,326.15
  5. Step 5: Solve for x
    x = 254,326.15/452.55
  6. Step 6: Final answer
    x = 561.98

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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.