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Finding the Fourth Proportional to 453.35, 625.64 and 266.84

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Solution

The fourth proportional to 453.35, 625.64 and 266.84 is: 368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.35 : 625.64 = 266.84 : x
  2. Step 2: Convert to fraction form
    453.35/625.64 = 266.84/x
  3. Step 3: Cross multiply
    453.35x = 625.64 × 266.84
  4. Step 4: Simplify right side
    453.35x = 166,941.32
  5. Step 5: Solve for x
    x = 166,941.32/453.35
  6. Step 6: Final answer
    x = 368.24

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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.