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Finding the Fourth Proportional to 466.54, 643.65 and 270.02

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Solution

The fourth proportional to 466.54, 643.65 and 270.02 is: 372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.54 : 643.65 = 270.02 : x
  2. Step 2: Convert to fraction form
    466.54/643.65 = 270.02/x
  3. Step 3: Cross multiply
    466.54x = 643.65 × 270.02
  4. Step 4: Simplify right side
    466.54x = 173,798.37
  5. Step 5: Solve for x
    x = 173,798.37/466.54
  6. Step 6: Final answer
    x = 372.53

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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.