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Finding the Fourth Proportional to 607.41, 838.76 and 476.19

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Solution

The fourth proportional to 607.41, 838.76 and 476.19 is: 657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.41 : 838.76 = 476.19 : x
  2. Step 2: Convert to fraction form
    607.41/838.76 = 476.19/x
  3. Step 3: Cross multiply
    607.41x = 838.76 × 476.19
  4. Step 4: Simplify right side
    607.41x = 399,406.74
  5. Step 5: Solve for x
    x = 399,406.74/607.41
  6. Step 6: Final answer
    x = 657.56

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.