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Finding the Fourth Proportional to 554.94, 766.68 and 472.92

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Solution

The fourth proportional to 554.94, 766.68 and 472.92 is: 653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.94 : 766.68 = 472.92 : x
  2. Step 2: Convert to fraction form
    554.94/766.68 = 472.92/x
  3. Step 3: Cross multiply
    554.94x = 766.68 × 472.92
  4. Step 4: Simplify right side
    554.94x = 362,578.31
  5. Step 5: Solve for x
    x = 362,578.31/554.94
  6. Step 6: Final answer
    x = 653.36

Related Problems

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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.