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Finding the Fourth Proportional to 534.64, 801.54 and 245.92

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Solution

The fourth proportional to 534.64, 801.54 and 245.92 is: 368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.64 : 801.54 = 245.92 : x
  2. Step 2: Convert to fraction form
    534.64/801.54 = 245.92/x
  3. Step 3: Cross multiply
    534.64x = 801.54 × 245.92
  4. Step 4: Simplify right side
    534.64x = 197,114.72
  5. Step 5: Solve for x
    x = 197,114.72/534.64
  6. Step 6: Final answer
    x = 368.69

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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.