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Finding the Fourth Proportional to 569.67, 786.11 and 336.75

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Solution

The fourth proportional to 569.67, 786.11 and 336.75 is: 464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.67 : 786.11 = 336.75 : x
  2. Step 2: Convert to fraction form
    569.67/786.11 = 336.75/x
  3. Step 3: Cross multiply
    569.67x = 786.11 × 336.75
  4. Step 4: Simplify right side
    569.67x = 264,720.86
  5. Step 5: Solve for x
    x = 264,720.86/569.67
  6. Step 6: Final answer
    x = 464.69

Related Problems

Find fourth proportional to 284.84, 393.05 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.