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Finding the Fourth Proportional to 477.66, 712.56 and 444.52

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Solution

The fourth proportional to 477.66, 712.56 and 444.52 is: 663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.66 : 712.56 = 444.52 : x
  2. Step 2: Convert to fraction form
    477.66/712.56 = 444.52/x
  3. Step 3: Cross multiply
    477.66x = 712.56 × 444.52
  4. Step 4: Simplify right side
    477.66x = 316,741.39
  5. Step 5: Solve for x
    x = 316,741.39/477.66
  6. Step 6: Final answer
    x = 663.11

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.