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Finding the Fourth Proportional to 554.75, 832.22 and 277.12

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Solution

The fourth proportional to 554.75, 832.22 and 277.12 is: 415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.75 : 832.22 = 277.12 : x
  2. Step 2: Convert to fraction form
    554.75/832.22 = 277.12/x
  3. Step 3: Cross multiply
    554.75x = 832.22 × 277.12
  4. Step 4: Simplify right side
    554.75x = 230,622.38
  5. Step 5: Solve for x
    x = 230,622.38/554.75
  6. Step 6: Final answer
    x = 415.72

Related Problems

Find fourth proportional to 277.38, 416.11 and 138.56
Half scale
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Double scale
Find fourth proportional to 555.75, 833.72 and 278.12
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.