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Finding the Fourth Proportional to 598.71, 826.28 and 336.75

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Solution

The fourth proportional to 598.71, 826.28 and 336.75 is: 464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.71 : 826.28 = 336.75 : x
  2. Step 2: Convert to fraction form
    598.71/826.28 = 336.75/x
  3. Step 3: Cross multiply
    598.71x = 826.28 × 336.75
  4. Step 4: Simplify right side
    598.71x = 278,248.11
  5. Step 5: Solve for x
    x = 278,248.11/598.71
  6. Step 6: Final answer
    x = 464.75

Related Problems

Find fourth proportional to 299.36, 413.14 and 168.38
Half scale
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Double scale
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Similar ratio
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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.