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Finding the Fourth Proportional to 452.67, 624.69 and 245.67

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Solution

The fourth proportional to 452.67, 624.69 and 245.67 is: 339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.67 : 624.69 = 245.67 : x
  2. Step 2: Convert to fraction form
    452.67/624.69 = 245.67/x
  3. Step 3: Cross multiply
    452.67x = 624.69 × 245.67
  4. Step 4: Simplify right side
    452.67x = 153,468.07
  5. Step 5: Solve for x
    x = 153,468.07/452.67
  6. Step 6: Final answer
    x = 339.03

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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.