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Finding the Fourth Proportional to 554.01, 764.31 and 332.88

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Solution

The fourth proportional to 554.01, 764.31 and 332.88 is: 459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.01 : 764.31 = 332.88 : x
  2. Step 2: Convert to fraction form
    554.01/764.31 = 332.88/x
  3. Step 3: Cross multiply
    554.01x = 764.31 × 332.88
  4. Step 4: Simplify right side
    554.01x = 254,423.51
  5. Step 5: Solve for x
    x = 254,423.51/554.01
  6. Step 6: Final answer
    x = 459.24

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Double scale
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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.