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Finding the Fourth Proportional to 701.83, 970.94 and 614.75

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Solution

The fourth proportional to 701.83, 970.94 and 614.75 is: 850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.83 : 970.94 = 614.75 : x
  2. Step 2: Convert to fraction form
    701.83/970.94 = 614.75/x
  3. Step 3: Cross multiply
    701.83x = 970.94 × 614.75
  4. Step 4: Simplify right side
    701.83x = 596,882.29
  5. Step 5: Solve for x
    x = 596,882.29/701.83
  6. Step 6: Final answer
    x = 850.47

Related Problems

Find fourth proportional to 350.91, 485.47 and 307.38
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.