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Finding the Fourth Proportional to 453.59, 625.99 and 266.98

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Solution

The fourth proportional to 453.59, 625.99 and 266.98 is: 368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.59 : 625.99 = 266.98 : x
  2. Step 2: Convert to fraction form
    453.59/625.99 = 266.98/x
  3. Step 3: Cross multiply
    453.59x = 625.99 × 266.98
  4. Step 4: Simplify right side
    453.59x = 167,126.81
  5. Step 5: Solve for x
    x = 167,126.81/453.59
  6. Step 6: Final answer
    x = 368.45

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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.