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Finding the Fourth Proportional to 554.99, 832.61 and 170.24

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Solution

The fourth proportional to 554.99, 832.61 and 170.24 is: 255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.99 : 832.61 = 170.24 : x
  2. Step 2: Convert to fraction form
    554.99/832.61 = 170.24/x
  3. Step 3: Cross multiply
    554.99x = 832.61 × 170.24
  4. Step 4: Simplify right side
    554.99x = 141,743.53
  5. Step 5: Solve for x
    x = 141,743.53/554.99
  6. Step 6: Final answer
    x = 255.40

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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.