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Finding the Fourth Proportional to 544.32, 816.48 and 270.33

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Solution

The fourth proportional to 544.32, 816.48 and 270.33 is: 405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.32 : 816.48 = 270.33 : x
  2. Step 2: Convert to fraction form
    544.32/816.48 = 270.33/x
  3. Step 3: Cross multiply
    544.32x = 816.48 × 270.33
  4. Step 4: Simplify right side
    544.32x = 220,719.04
  5. Step 5: Solve for x
    x = 220,719.04/544.32
  6. Step 6: Final answer
    x = 405.50

Related Problems

Find fourth proportional to 272.16, 408.24 and 135.17
Half scale
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Double scale
Find fourth proportional to 545.32, 817.98 and 271.33
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.