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Finding the Fourth Proportional to 554.87, 832.10 and 277.11

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Solution

The fourth proportional to 554.87, 832.10 and 277.11 is: 415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.87 : 832.10 = 277.11 : x
  2. Step 2: Convert to fraction form
    554.87/832.10 = 277.11/x
  3. Step 3: Cross multiply
    554.87x = 832.10 × 277.11
  4. Step 4: Simplify right side
    554.87x = 230,581.85
  5. Step 5: Solve for x
    x = 230,581.85/554.87
  6. Step 6: Final answer
    x = 415.56

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.