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Finding the Fourth Proportional to 703.38, 970.14 and 672.36

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Solution

The fourth proportional to 703.38, 970.14 and 672.36 is: 927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.38 : 970.14 = 672.36 : x
  2. Step 2: Convert to fraction form
    703.38/970.14 = 672.36/x
  3. Step 3: Cross multiply
    703.38x = 970.14 × 672.36
  4. Step 4: Simplify right side
    703.38x = 652,283.33
  5. Step 5: Solve for x
    x = 652,283.33/703.38
  6. Step 6: Final answer
    x = 927.36

Related Problems

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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.