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Finding the Fourth Proportional to 601.49, 829.71 and 453.87

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Solution

The fourth proportional to 601.49, 829.71 and 453.87 is: 626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.49 : 829.71 = 453.87 : x
  2. Step 2: Convert to fraction form
    601.49/829.71 = 453.87/x
  3. Step 3: Cross multiply
    601.49x = 829.71 × 453.87
  4. Step 4: Simplify right side
    601.49x = 376,580.48
  5. Step 5: Solve for x
    x = 376,580.48/601.49
  6. Step 6: Final answer
    x = 626.08

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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.