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Finding the Fourth Proportional to 601.10, 828.51 and 453.50

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Solution

The fourth proportional to 601.10, 828.51 and 453.50 is: 625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.10 : 828.51 = 453.50 : x
  2. Step 2: Convert to fraction form
    601.10/828.51 = 453.50/x
  3. Step 3: Cross multiply
    601.10x = 828.51 × 453.50
  4. Step 4: Simplify right side
    601.10x = 375,729.29
  5. Step 5: Solve for x
    x = 375,729.29/601.10
  6. Step 6: Final answer
    x = 625.07

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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.