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Finding the Fourth Proportional to 460.00, 634.53 and 291.89

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Solution

The fourth proportional to 460.00, 634.53 and 291.89 is: 402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.00 : 634.53 = 291.89 : x
  2. Step 2: Convert to fraction form
    460.00/634.53 = 291.89/x
  3. Step 3: Cross multiply
    460.00x = 634.53 × 291.89
  4. Step 4: Simplify right side
    460.00x = 185,213.26
  5. Step 5: Solve for x
    x = 185,213.26/460.00
  6. Step 6: Final answer
    x = 402.64

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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.