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Finding the Fourth Proportional to 435.27, 600.70 and 248.76

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Solution

The fourth proportional to 435.27, 600.70 and 248.76 is: 343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.27 : 600.70 = 248.76 : x
  2. Step 2: Convert to fraction form
    435.27/600.70 = 248.76/x
  3. Step 3: Cross multiply
    435.27x = 600.70 × 248.76
  4. Step 4: Simplify right side
    435.27x = 149,432.86
  5. Step 5: Solve for x
    x = 149,432.86/435.27
  6. Step 6: Final answer
    x = 343.31

Related Problems

Find fourth proportional to 217.63, 300.35 and 124.38
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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.