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Finding the Fourth Proportional to 601.22, 830.76 and 471.22

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Solution

The fourth proportional to 601.22, 830.76 and 471.22 is: 651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.22 : 830.76 = 471.22 : x
  2. Step 2: Convert to fraction form
    601.22/830.76 = 471.22/x
  3. Step 3: Cross multiply
    601.22x = 830.76 × 471.22
  4. Step 4: Simplify right side
    601.22x = 391,466.88
  5. Step 5: Solve for x
    x = 391,466.88/601.22
  6. Step 6: Final answer
    x = 651.12

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.