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Finding the Fourth Proportional to 452.50, 623.93 and 369.34

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Solution

The fourth proportional to 452.50, 623.93 and 369.34 is: 509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.50 : 623.93 = 369.34 : x
  2. Step 2: Convert to fraction form
    452.50/623.93 = 369.34/x
  3. Step 3: Cross multiply
    452.50x = 623.93 × 369.34
  4. Step 4: Simplify right side
    452.50x = 230,440.46
  5. Step 5: Solve for x
    x = 230,440.46/452.50
  6. Step 6: Final answer
    x = 509.27

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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.