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Finding the Fourth Proportional to 452.18, 675.49 and 435.98

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Solution

The fourth proportional to 452.18, 675.49 and 435.98 is: 651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.18 : 675.49 = 435.98 : x
  2. Step 2: Convert to fraction form
    452.18/675.49 = 435.98/x
  3. Step 3: Cross multiply
    452.18x = 675.49 × 435.98
  4. Step 4: Simplify right side
    452.18x = 294,501.55
  5. Step 5: Solve for x
    x = 294,501.55/452.18
  6. Step 6: Final answer
    x = 651.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.