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Finding the Fourth Proportional to 865.73, 1,194.71 and 472.76

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Solution

The fourth proportional to 865.73, 1,194.71 and 472.76 is: 652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    865.73 : 1,194.71 = 472.76 : x
  2. Step 2: Convert to fraction form
    865.73/1,194.71 = 472.76/x
  3. Step 3: Cross multiply
    865.73x = 1,194.71 × 472.76
  4. Step 4: Simplify right side
    865.73x = 564,811.10
  5. Step 5: Solve for x
    x = 564,811.10/865.73
  6. Step 6: Final answer
    x = 652.41

Related Problems

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Half scale
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Double scale
Find fourth proportional to 866.73, 1,196.09 and 473.76
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.