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Finding the Fourth Proportional to 554.63, 764.33 and 466.18

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Solution

The fourth proportional to 554.63, 764.33 and 466.18 is: 642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.63 : 764.33 = 466.18 : x
  2. Step 2: Convert to fraction form
    554.63/764.33 = 466.18/x
  3. Step 3: Cross multiply
    554.63x = 764.33 × 466.18
  4. Step 4: Simplify right side
    554.63x = 356,311.12
  5. Step 5: Solve for x
    x = 356,311.12/554.63
  6. Step 6: Final answer
    x = 642.44

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1.5x scale

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.