Home / 1,215.37-1,822.72-337.67

Finding the Fourth Proportional to 1,215.37, 1,822.72 and 337.67

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Solution

The fourth proportional to 1,215.37, 1,822.72 and 337.67 is: 506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215.37 : 1,822.72 = 337.67 : x
  2. Step 2: Convert to fraction form
    1,215.37/1,822.72 = 337.67/x
  3. Step 3: Cross multiply
    1,215.37x = 1,822.72 × 337.67
  4. Step 4: Simplify right side
    1,215.37x = 615,475.37
  5. Step 5: Solve for x
    x = 615,475.37/1,215.37
  6. Step 6: Final answer
    x = 506.41

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,216.37, 1,824.22 and 338.67
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.