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Finding the Fourth Proportional to 451.93, 622.38 and 373.60

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Solution

The fourth proportional to 451.93, 622.38 and 373.60 is: 514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.93 : 622.38 = 373.60 : x
  2. Step 2: Convert to fraction form
    451.93/622.38 = 373.60/x
  3. Step 3: Cross multiply
    451.93x = 622.38 × 373.60
  4. Step 4: Simplify right side
    451.93x = 232,521.17
  5. Step 5: Solve for x
    x = 232,521.17/451.93
  6. Step 6: Final answer
    x = 514.51

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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.