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Finding the Fourth Proportional to 554.48, 764.44 and 460.88

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Solution

The fourth proportional to 554.48, 764.44 and 460.88 is: 635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.48 : 764.44 = 460.88 : x
  2. Step 2: Convert to fraction form
    554.48/764.44 = 460.88/x
  3. Step 3: Cross multiply
    554.48x = 764.44 × 460.88
  4. Step 4: Simplify right side
    554.48x = 352,315.11
  5. Step 5: Solve for x
    x = 352,315.11/554.48
  6. Step 6: Final answer
    x = 635.40

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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.