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Finding the Fourth Proportional to 616.95, 851.39 and 337.19

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Solution

The fourth proportional to 616.95, 851.39 and 337.19 is: 465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.95 : 851.39 = 337.19 : x
  2. Step 2: Convert to fraction form
    616.95/851.39 = 337.19/x
  3. Step 3: Cross multiply
    616.95x = 851.39 × 337.19
  4. Step 4: Simplify right side
    616.95x = 287,080.19
  5. Step 5: Solve for x
    x = 287,080.19/616.95
  6. Step 6: Final answer
    x = 465.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 617.95, 852.77 and 338.19
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.