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Finding the Fourth Proportional to 425.03, 634.73 and 362.66

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Solution

The fourth proportional to 425.03, 634.73 and 362.66 is: 541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.03 : 634.73 = 362.66 : x
  2. Step 2: Convert to fraction form
    425.03/634.73 = 362.66/x
  3. Step 3: Cross multiply
    425.03x = 634.73 × 362.66
  4. Step 4: Simplify right side
    425.03x = 230,186.19
  5. Step 5: Solve for x
    x = 230,186.19/425.03
  6. Step 6: Final answer
    x = 541.58

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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.