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Finding the Fourth Proportional to 508.83, 762.60 and 277.24

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Solution

The fourth proportional to 508.83, 762.60 and 277.24 is: 415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.83 : 762.60 = 277.24 : x
  2. Step 2: Convert to fraction form
    508.83/762.60 = 277.24/x
  3. Step 3: Cross multiply
    508.83x = 762.60 × 277.24
  4. Step 4: Simplify right side
    508.83x = 211,419.41
  5. Step 5: Solve for x
    x = 211,419.41/508.83
  6. Step 6: Final answer
    x = 415.50

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Double scale
Find fourth proportional to 509.83, 764.10 and 278.24
Similar ratio
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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.