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Finding the Fourth Proportional to 446.76, 616.56 and 250.23

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Solution

The fourth proportional to 446.76, 616.56 and 250.23 is: 345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.76 : 616.56 = 250.23 : x
  2. Step 2: Convert to fraction form
    446.76/616.56 = 250.23/x
  3. Step 3: Cross multiply
    446.76x = 616.56 × 250.23
  4. Step 4: Simplify right side
    446.76x = 154,281.81
  5. Step 5: Solve for x
    x = 154,281.81/446.76
  6. Step 6: Final answer
    x = 345.33

Related Problems

Find fourth proportional to 223.38, 308.28 and 125.12
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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.