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Finding the Fourth Proportional to 949.20, 1,310.76 and 600

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Solution

The fourth proportional to 949.20, 1,310.76 and 600 is: 828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.20 : 1,310.76 = 600 : x
  2. Step 2: Convert to fraction form
    949.20/1,310.76 = 600/x
  3. Step 3: Cross multiply
    949.20x = 1,310.76 × 600
  4. Step 4: Simplify right side
    949.20x = 786,456
  5. Step 5: Solve for x
    x = 786,456/949.20
  6. Step 6: Final answer
    x = 828.55

Related Problems

Find fourth proportional to 474.60, 655.38 and 300
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.