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Finding the Fourth Proportional to 509.61, 764.51 and 162.97

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Solution

The fourth proportional to 509.61, 764.51 and 162.97 is: 244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509.61 : 764.51 = 162.97 : x
  2. Step 2: Convert to fraction form
    509.61/764.51 = 162.97/x
  3. Step 3: Cross multiply
    509.61x = 764.51 × 162.97
  4. Step 4: Simplify right side
    509.61x = 124,592.19
  5. Step 5: Solve for x
    x = 124,592.19/509.61
  6. Step 6: Final answer
    x = 244.49

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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.