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Finding the Fourth Proportional to 534.88, 801.60 and 291.52

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Solution

The fourth proportional to 534.88, 801.60 and 291.52 is: 436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.88 : 801.60 = 291.52 : x
  2. Step 2: Convert to fraction form
    534.88/801.60 = 291.52/x
  3. Step 3: Cross multiply
    534.88x = 801.60 × 291.52
  4. Step 4: Simplify right side
    534.88x = 233,682.43
  5. Step 5: Solve for x
    x = 233,682.43/534.88
  6. Step 6: Final answer
    x = 436.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.