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Finding the Fourth Proportional to 336.89, 507.03 and 303.35

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Solution

The fourth proportional to 336.89, 507.03 and 303.35 is: 456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.89 : 507.03 = 303.35 : x
  2. Step 2: Convert to fraction form
    336.89/507.03 = 303.35/x
  3. Step 3: Cross multiply
    336.89x = 507.03 × 303.35
  4. Step 4: Simplify right side
    336.89x = 153,803.88
  5. Step 5: Solve for x
    x = 153,803.88/336.89
  6. Step 6: Final answer
    x = 456.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.