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Finding the Fourth Proportional to 554.39, 827.37 and 492.88

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Solution

The fourth proportional to 554.39, 827.37 and 492.88 is: 735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.39 : 827.37 = 492.88 : x
  2. Step 2: Convert to fraction form
    554.39/827.37 = 492.88/x
  3. Step 3: Cross multiply
    554.39x = 827.37 × 492.88
  4. Step 4: Simplify right side
    554.39x = 407,799.08
  5. Step 5: Solve for x
    x = 407,799.08/554.39
  6. Step 6: Final answer
    x = 735.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.